<table border="1" mj_done="true">
    <thead>
    <tr>
        <th>序号</th>
        <th>编号</th>
        <th>题目</th>
        <th>通过率</th>
        <th>难度</th>
        <th>出题指数</th>
        <th>出现频率</th>
    </tr>
    </thead>
    <tbody>
    <tr>
        <td>1</td>
        <td>1</td>
        <td><a target="_blank" href="https://leetcode-cn.com/problems/two-sum/">两数之和</a></td>
        <td>47.5%</td>
        <td>简单</td>
        <td>5</td>
        <td>0.972</td>
    </tr>
    <tr>
        <td>2</td>
        <td>2</td>
        <td><a target="_blank" href="https://leetcode-cn.com/problems/add-two-numbers/">两数相加</a></td>
        <td>36.6%</td>
        <td>中等</td>
        <td>5</td>
        <td>0.587</td>
    </tr>
    <tr>
        <td>3</td>
        <td>146</td>
        <td><a target="_blank" href="https://leetcode-cn.com/problems/lru-cache/">LRU缓存机制</a></td>
        <td>45.4%</td>
        <td>中等</td>
        <td>5</td>
        <td>1.66</td>
    </tr>
    <tr>
        <td>4</td>
        <td>53</td>
        <td><a target="_blank" href="https://leetcode-cn.com/problems/maximum-subarray/">最大子序和</a></td>
        <td>49.0%</td>
        <td>简单</td>
        <td>5</td>
        <td>0.658</td>
    </tr>
    <tr>
        <td>5</td>
        <td>206</td>
        <td><a target="_blank" href="https://leetcode-cn.com/problems/reverse-linked-list/">反转链表</a></td>
        <td>66.9%</td>
        <td>简单</td>
        <td>5</td>
        <td>0.613</td>
    </tr>
    <tr>
        <td>6</td>
        <td>4</td>
        <td><a target="_blank" href="https://leetcode-cn.com/problems/median-of-two-sorted-arrays/">寻找两个有序数组的中位数</a>
        </td>
        <td>36.7%</td>
        <td>困难</td>
        <td>5</td>
        <td>0.651</td>
    </tr>
    <tr>
        <td>7</td>
        <td>3</td>
        <td><a target="_blank" href="https://leetcode-cn.com/problems/longest-substring-without-repeating-characters/">无重复字符的最长子串</a>
        </td>
        <td>32.8%</td>
        <td>中等</td>
        <td>5</td>
        <td>0.348</td>
    </tr>
    <tr>
        <td>8</td>
        <td>54</td>
        <td><a target="_blank" href="https://leetcode-cn.com/problems/spiral-matrix/">螺旋矩阵</a></td>
        <td>38.5%</td>
        <td>中等</td>
        <td>5</td>
        <td>1.142</td>
    </tr>
    <tr>
        <td>9</td>
        <td>5</td>
        <td><a target="_blank" href="https://leetcode-cn.com/problems/longest-palindromic-substring/">最长回文子串</a></td>
        <td>28.4%</td>
        <td>中等</td>
        <td>5</td>
        <td>0.478</td>
    </tr>
    <tr>
        <td>10</td>
        <td>42</td>
        <td><a target="_blank" href="https://leetcode-cn.com/problems/trapping-rain-water/">接雨水</a></td>
        <td>48.4%</td>
        <td>困难</td>
        <td>4</td>
        <td>0.915</td>
    </tr>
    <tr>
        <td>11</td>
        <td>15</td>
        <td><a target="_blank" href="https://leetcode-cn.com/problems/3sum/">三数之和</a></td>
        <td>25.4%</td>
        <td>中等</td>
        <td>4</td>
        <td>0.445</td>
    </tr>
    <tr>
        <td>12</td>
        <td>21</td>
        <td><a target="_blank" href="https://leetcode-cn.com/problems/merge-two-sorted-lists/">合并两个有序链表</a></td>
        <td>59.5%</td>
        <td>简单</td>
        <td>4</td>
        <td>0.361</td>
    </tr>
    <tr>
        <td>13</td>
        <td>20</td>
        <td><a target="_blank" href="https://leetcode-cn.com/problems/valid-parentheses/">有效的括号</a></td>
        <td>40.8%</td>
        <td>简单</td>
        <td>4</td>
        <td>0.316</td>
    </tr>
    <tr>
        <td>14</td>
        <td>8</td>
        <td><a target="_blank" href="https://leetcode-cn.com/problems/string-to-integer-atoi/">字符串转换整数 (atoi)</a></td>
        <td>19.0%</td>
        <td>中等</td>
        <td>4</td>
        <td>0.504</td>
    </tr>
    <tr>
        <td>15</td>
        <td>7</td>
        <td><a target="_blank" href="https://leetcode-cn.com/problems/reverse-integer/">整数反转</a></td>
        <td>33.6%</td>
        <td>简单</td>
        <td>4</td>
        <td>0.268</td>
    </tr>
    <tr>
        <td>16</td>
        <td>200</td>
        <td><a target="_blank" href="https://leetcode-cn.com/problems/number-of-islands/">岛屿数量</a></td>
        <td>46.9%</td>
        <td>中等</td>
        <td>4</td>
        <td>0.708</td>
    </tr>
    <tr>
        <td>17</td>
        <td>238</td>
        <td><a target="_blank" href="https://leetcode-cn.com/problems/product-of-array-except-self/">除自身以外数组的乘积</a></td>
        <td>66.0%</td>
        <td>中等</td>
        <td>4</td>
        <td>1.031</td>
    </tr>
    <tr>
        <td>18</td>
        <td>403</td>
        <td><a target="_blank" href="https://leetcode-cn.com/problems/frog-jump/">青蛙过河</a></td>
        <td>32.3%</td>
        <td>困难</td>
        <td>4</td>
        <td>2.38</td>
    </tr>
    <tr>
        <td>19</td>
        <td>56</td>
        <td><a target="_blank" href="https://leetcode-cn.com/problems/merge-intervals/">合并区间</a></td>
        <td>40.2%</td>
        <td>中等</td>
        <td>4</td>
        <td>0.637</td>
    </tr>
    <tr>
        <td>20</td>
        <td>33</td>
        <td><a target="_blank" href="https://leetcode-cn.com/problems/search-in-rotated-sorted-array/">搜索旋转排序数组</a></td>
        <td>36.3%</td>
        <td>中等</td>
        <td>4</td>
        <td>0.492</td>
    </tr>
    <tr>
        <td>21</td>
        <td>121</td>
        <td><a target="_blank" href="https://leetcode-cn.com/problems/best-time-to-buy-and-sell-stock/">买卖股票的最佳时机</a>
        </td>
        <td>52.3%</td>
        <td>简单</td>
        <td>4</td>
        <td>0.32</td>
    </tr>
    <tr>
        <td>22</td>
        <td>49</td>
        <td><a target="_blank" href="https://leetcode-cn.com/problems/group-anagrams/">字母异位词分组</a></td>
        <td>60.6%</td>
        <td>中等</td>
        <td>4</td>
        <td>0.622</td>
    </tr>
    <tr>
        <td>23</td>
        <td>341</td>
        <td><a target="_blank" href="https://leetcode-cn.com/problems/flatten-nested-list-iterator/">扁平化嵌套列表迭代器</a></td>
        <td>62.0%</td>
        <td>中等</td>
        <td>4</td>
        <td>1.738</td>
    </tr>
    <tr>
        <td>24</td>
        <td>387</td>
        <td><a target="_blank"
               href="https://leetcode-cn.com/problems/first-unique-character-in-a-string/">字符串中的第一个唯一字符</a></td>
        <td>43.1%</td>
        <td>简单</td>
        <td>4</td>
        <td>0.672</td>
    </tr>
    <tr>
        <td>25</td>
        <td>9</td>
        <td><a target="_blank" href="https://leetcode-cn.com/problems/palindrome-number/">回文数</a></td>
        <td>57.1%</td>
        <td>简单</td>
        <td>4</td>
        <td>0.207</td>
    </tr>
    <tr>
        <td>26</td>
        <td>17</td>
        <td><a target="_blank"
               href="https://leetcode-cn.com/problems/letter-combinations-of-a-phone-number/">电话号码的字母组合</a></td>
        <td>52.4%</td>
        <td>中等</td>
        <td>4</td>
        <td>0.369</td>
    </tr>
    <tr>
        <td>27</td>
        <td>23</td>
        <td><a target="_blank" href="https://leetcode-cn.com/problems/merge-k-sorted-lists/">合并K个排序链表</a></td>
        <td>48.7%</td>
        <td>困难</td>
        <td>4</td>
        <td>0.478</td>
    </tr>
    <tr>
        <td>28</td>
        <td>242</td>
        <td><a target="_blank" href="https://leetcode-cn.com/problems/valid-anagram/">有效的字母异位词</a></td>
        <td>58.3%</td>
        <td>简单</td>
        <td>4</td>
        <td>0.523</td>
    </tr>
    <tr>
        <td>29</td>
        <td>344</td>
        <td><a target="_blank" href="https://leetcode-cn.com/problems/reverse-string/">反转字符串</a></td>
        <td>68.9%</td>
        <td>简单</td>
        <td>4</td>
        <td>0.408</td>
    </tr>
    <tr>
        <td>30</td>
        <td>202</td>
        <td><a target="_blank" href="https://leetcode-cn.com/problems/happy-number/">快乐数</a></td>
        <td>57.1%</td>
        <td>简单</td>
        <td>4</td>
        <td>0.633</td>
    </tr>
    <tr>
        <td>31</td>
        <td>322</td>
        <td><a target="_blank" href="https://leetcode-cn.com/problems/coin-change/">零钱兑换</a></td>
        <td>37.4%</td>
        <td>中等</td>
        <td>4</td>
        <td>0.626</td>
    </tr>
    <tr>
        <td>32</td>
        <td>13</td>
        <td><a target="_blank" href="https://leetcode-cn.com/problems/roman-to-integer/">罗马数字转整数</a></td>
        <td>60.6%</td>
        <td>简单</td>
        <td>4</td>
        <td>0.257</td>
    </tr>
    <tr>
        <td>33</td>
        <td>204</td>
        <td><a target="_blank" href="https://leetcode-cn.com/problems/count-primes/">计数质数</a></td>
        <td>32.1%</td>
        <td>简单</td>
        <td>4</td>
        <td>0.665</td>
    </tr>
    <tr>
        <td>34</td>
        <td>139</td>
        <td><a target="_blank" href="https://leetcode-cn.com/problems/word-break/">单词拆分</a></td>
        <td>43.1%</td>
        <td>中等</td>
        <td>4</td>
        <td>0.633</td>
    </tr>
    <tr>
        <td>35</td>
        <td>412</td>
        <td><a target="_blank" href="https://leetcode-cn.com/problems/fizz-buzz/">Fizz Buzz</a></td>
        <td>62.6%</td>
        <td>简单</td>
        <td>4</td>
        <td>0.898</td>
    </tr>
    <tr>
        <td>36</td>
        <td>11</td>
        <td><a target="_blank" href="https://leetcode-cn.com/problems/container-with-most-water/">盛最多水的容器</a></td>
        <td>61.1%</td>
        <td>中等</td>
        <td>3</td>
        <td>0.229</td>
    </tr>
    <tr>
        <td>37</td>
        <td>48</td>
        <td><a target="_blank" href="https://leetcode-cn.com/problems/rotate-image/">旋转图像</a></td>
        <td>66.7%</td>
        <td>中等</td>
        <td>3</td>
        <td>0.478</td>
    </tr>
    <tr>
        <td>38</td>
        <td>236</td>
        <td><a target="_blank" href="https://leetcode-cn.com/problems/lowest-common-ancestor-of-a-binary-tree/">二叉树的最近公共祖先</a>
        </td>
        <td>59.7%</td>
        <td>中等</td>
        <td>3</td>
        <td>0.555</td>
    </tr>
    <tr>
        <td>39</td>
        <td>771</td>
        <td><a target="_blank" href="https://leetcode-cn.com/problems/jewels-and-stones/">宝石与石头</a></td>
        <td>81.7%</td>
        <td>简单</td>
        <td>3</td>
        <td>0.758</td>
    </tr>
    <tr>
        <td>40</td>
        <td>125</td>
        <td><a target="_blank" href="https://leetcode-cn.com/problems/valid-palindrome/">验证回文串</a></td>
        <td>42.3%</td>
        <td>简单</td>
        <td>3</td>
        <td>0.412</td>
    </tr>
    <tr>
        <td>41</td>
        <td>284</td>
        <td><a target="_blank" href="https://leetcode-cn.com/problems/peeking-iterator/">顶端迭代器</a></td>
        <td>71.5%</td>
        <td>中等</td>
        <td>3</td>
        <td>2.03</td>
    </tr>
    <tr>
        <td>42</td>
        <td>155</td>
        <td><a target="_blank" href="https://leetcode-cn.com/problems/min-stack/">最小栈</a></td>
        <td>51.4%</td>
        <td>简单</td>
        <td>3</td>
        <td>0.355</td>
    </tr>
    <tr>
        <td>43</td>
        <td>295</td>
        <td><a target="_blank" href="https://leetcode-cn.com/problems/find-median-from-data-stream/">数据流的中位数</a></td>
        <td>42.0%</td>
        <td>困难</td>
        <td>3</td>
        <td>1.278</td>
    </tr>
    <tr>
        <td>44</td>
        <td>14</td>
        <td><a target="_blank" href="https://leetcode-cn.com/problems/longest-common-prefix/">最长公共前缀</a></td>
        <td>36.1%</td>
        <td>简单</td>
        <td>3</td>
        <td>0.189</td>
    </tr>
    <tr>
        <td>45</td>
        <td>70</td>
        <td><a target="_blank" href="https://leetcode-cn.com/problems/climbing-stairs/">爬楼梯</a></td>
        <td>47.8%</td>
        <td>简单</td>
        <td>3</td>
        <td>0.205</td>
    </tr>
    <tr>
        <td>46</td>
        <td>141</td>
        <td><a target="_blank" href="https://leetcode-cn.com/problems/linked-list-cycle/">环形链表</a></td>
        <td>46.1%</td>
        <td>简单</td>
        <td>3</td>
        <td>0.258</td>
    </tr>
    <tr>
        <td>47</td>
        <td>104</td>
        <td><a target="_blank" href="https://leetcode-cn.com/problems/maximum-depth-of-binary-tree/">二叉树的最大深度</a></td>
        <td>72.1%</td>
        <td>简单</td>
        <td>3</td>
        <td>0.219</td>
    </tr>
    <tr>
        <td>48</td>
        <td>140</td>
        <td><a target="_blank" href="https://leetcode-cn.com/problems/word-break-ii/">单词拆分 II</a></td>
        <td>37.7%</td>
        <td>困难</td>
        <td>3</td>
        <td>1.122</td>
    </tr>
    <tr>
        <td>49</td>
        <td>46</td>
        <td><a target="_blank" href="https://leetcode-cn.com/problems/permutations/">全排列</a></td>
        <td>73.9%</td>
        <td>中等</td>
        <td>3</td>
        <td>0.308</td>
    </tr>
    <tr>
        <td>50</td>
        <td>175</td>
        <td><a target="_blank" href="https://leetcode-cn.com/problems/combine-two-tables/">组合两个表</a></td>
        <td>71.5%</td>
        <td>简单</td>
        <td>3</td>
        <td>0.349</td>
    </tr>
    <tr>
        <td>51</td>
        <td>88</td>
        <td><a target="_blank" href="https://leetcode-cn.com/problems/merge-sorted-array/">合并两个有序数组</a></td>
        <td>46.5%</td>
        <td>简单</td>
        <td>3</td>
        <td>0.229</td>
    </tr>
    <tr>
        <td>52</td>
        <td>151</td>
        <td><a target="_blank" href="https://leetcode-cn.com/problems/reverse-words-in-a-string/">翻转字符串里的单词</a></td>
        <td>35.4%</td>
        <td>中等</td>
        <td>3</td>
        <td>0.616</td>
    </tr>
    <tr>
        <td>53</td>
        <td>97</td>
        <td><a target="_blank" href="https://leetcode-cn.com/problems/interleaving-string/">交错字符串</a></td>
        <td>38.5%</td>
        <td>困难</td>
        <td>3</td>
        <td>1.174</td>
    </tr>
    <tr>
        <td>54</td>
        <td>136</td>
        <td><a target="_blank" href="https://leetcode-cn.com/problems/single-number/">只出现一次的数字</a></td>
        <td>65.1%</td>
        <td>简单</td>
        <td>3</td>
        <td>0.221</td>
    </tr>
    <tr>
        <td>55</td>
        <td>138</td>
        <td><a target="_blank" href="https://leetcode-cn.com/problems/copy-list-with-random-pointer/">复制带随机指针的链表</a>
        </td>
        <td>43.6%</td>
        <td>中等</td>
        <td>3</td>
        <td>0.756</td>
    </tr>
    <tr>
        <td>56</td>
        <td>10</td>
        <td><a target="_blank" href="https://leetcode-cn.com/problems/regular-expression-matching/">正则表达式匹配</a></td>
        <td>26.0%</td>
        <td>困难</td>
        <td>3</td>
        <td>0.373</td>
    </tr>
    <tr>
        <td>57</td>
        <td>191</td>
        <td><a target="_blank" href="https://leetcode-cn.com/problems/number-of-1-bits/">位1的个数</a></td>
        <td>64.1%</td>
        <td>简单</td>
        <td>3</td>
        <td>0.433</td>
    </tr>
    <tr>
        <td>58</td>
        <td>190</td>
        <td><a target="_blank" href="https://leetcode-cn.com/problems/reverse-bits/">颠倒二进制位</a></td>
        <td>54.6%</td>
        <td>简单</td>
        <td>3</td>
        <td>0.567</td>
    </tr>
    <tr>
        <td>59</td>
        <td>227</td>
        <td><a target="_blank" href="https://leetcode-cn.com/problems/basic-calculator-ii/">基本计算器 II</a></td>
        <td>34.7%</td>
        <td>中等</td>
        <td>3</td>
        <td>1.08</td>
    </tr>
    <tr>
        <td>60</td>
        <td>12</td>
        <td><a target="_blank" href="https://leetcode-cn.com/problems/integer-to-roman/">整数转罗马数字</a></td>
        <td>62.5%</td>
        <td>中等</td>
        <td>3</td>
        <td>0.309</td>
    </tr>
    <tr>
        <td>61</td>
        <td>26</td>
        <td><a target="_blank"
               href="https://leetcode-cn.com/problems/remove-duplicates-from-sorted-array/">删除排序数组中的重复项</a></td>
        <td>48.4%</td>
        <td>简单</td>
        <td>3</td>
        <td>0.126</td>
    </tr>
    <tr>
        <td>62</td>
        <td>50</td>
        <td><a target="_blank" href="https://leetcode-cn.com/problems/powx-n/">Pow(x, n)</a></td>
        <td>33.8%</td>
        <td>中等</td>
        <td>3</td>
        <td>0.347</td>
    </tr>
    <tr>
        <td>63</td>
        <td>62</td>
        <td><a target="_blank" href="https://leetcode-cn.com/problems/unique-paths/">不同路径</a></td>
        <td>58.8%</td>
        <td>中等</td>
        <td>3</td>
        <td>0.259</td>
    </tr>
    <tr>
        <td>64</td>
        <td>102</td>
        <td><a target="_blank" href="https://leetcode-cn.com/problems/binary-tree-level-order-traversal/">二叉树的层次遍历</a>
        </td>
        <td>60.7%</td>
        <td>中等</td>
        <td>3</td>
        <td>0.26</td>
    </tr>
    <tr>
        <td>65</td>
        <td>237</td>
        <td><a target="_blank" href="https://leetcode-cn.com/problems/delete-node-in-a-linked-list/">删除链表中的节点</a></td>
        <td>79.8%</td>
        <td>简单</td>
        <td>3</td>
        <td>0.299</td>
    </tr>
    <tr>
        <td>66</td>
        <td>76</td>
        <td><a target="_blank" href="https://leetcode-cn.com/problems/minimum-window-substring/">最小覆盖子串</a></td>
        <td>35.3%</td>
        <td>困难</td>
        <td>3</td>
        <td>0.579</td>
    </tr>
    <tr>
        <td>67</td>
        <td>91</td>
        <td><a target="_blank" href="https://leetcode-cn.com/problems/decode-ways/">解码方法</a></td>
        <td>23.0%</td>
        <td>中等</td>
        <td>3</td>
        <td>0.424</td>
    </tr>
    <tr>
        <td>68</td>
        <td>283</td>
        <td><a target="_blank" href="https://leetcode-cn.com/problems/move-zeroes/">移动零</a></td>
        <td>59.2%</td>
        <td>简单</td>
        <td>3</td>
        <td>0.25</td>
    </tr>
    <tr>
        <td>69</td>
        <td>297</td>
        <td><a target="_blank" href="https://leetcode-cn.com/problems/serialize-and-deserialize-binary-tree/">二叉树的序列化与反序列化</a>
        </td>
        <td>44.2%</td>
        <td>困难</td>
        <td>3</td>
        <td>0.805</td>
    </tr>
    <tr>
        <td>70</td>
        <td>300</td>
        <td><a target="_blank" href="https://leetcode-cn.com/problems/longest-increasing-subsequence/">最长上升子序列</a></td>
        <td>43.9%</td>
        <td>中等</td>
        <td>3</td>
        <td>0.4</td>
    </tr>
    <tr>
        <td>71</td>
        <td>98</td>
        <td><a target="_blank" href="https://leetcode-cn.com/problems/validate-binary-search-tree/">验证二叉搜索树</a></td>
        <td>28.8%</td>
        <td>中等</td>
        <td>3</td>
        <td>0.261</td>
    </tr>
    <tr>
        <td>72</td>
        <td>215</td>
        <td><a target="_blank" href="https://leetcode-cn.com/problems/kth-largest-element-in-an-array/">数组中的第K个最大元素</a>
        </td>
        <td>60.9%</td>
        <td>中等</td>
        <td>3</td>
        <td>0.269</td>
    </tr>
    <tr>
        <td>73</td>
        <td>36</td>
        <td><a target="_blank" href="https://leetcode-cn.com/problems/valid-sudoku/">有效的数独</a></td>
        <td>58.2%</td>
        <td>中等</td>
        <td>3</td>
        <td>0.374</td>
    </tr>
    <tr>
        <td>74</td>
        <td>69</td>
        <td><a target="_blank" href="https://leetcode-cn.com/problems/sqrtx/">x 的平方根</a></td>
        <td>37.5%</td>
        <td>简单</td>
        <td>3</td>
        <td>0.238</td>
    </tr>
    <tr>
        <td>75</td>
        <td>79</td>
        <td><a target="_blank" href="https://leetcode-cn.com/problems/word-search/">单词搜索</a></td>
        <td>40.3%</td>
        <td>中等</td>
        <td>3</td>
        <td>0.401</td>
    </tr>
    <tr>
        <td>76</td>
        <td>124</td>
        <td><a target="_blank" href="https://leetcode-cn.com/problems/binary-tree-maximum-path-sum/">二叉树中的最大路径和</a></td>
        <td>39.1%</td>
        <td>困难</td>
        <td>3</td>
        <td>0.582</td>
    </tr>
    <tr>
        <td>77</td>
        <td>127</td>
        <td><a target="_blank" href="https://leetcode-cn.com/problems/word-ladder/">单词接龙</a></td>
        <td>39.5%</td>
        <td>中等</td>
        <td>3</td>
        <td>0.629</td>
    </tr>
    <tr>
        <td>78</td>
        <td>218</td>
        <td><a target="_blank" href="https://leetcode-cn.com/problems/the-skyline-problem/">天际线问题</a></td>
        <td>40.2%</td>
        <td>困难</td>
        <td>3</td>
        <td>1.513</td>
    </tr>
    <tr>
        <td>79</td>
        <td>329</td>
        <td><a target="_blank"
               href="https://leetcode-cn.com/problems/longest-increasing-path-in-a-matrix/">矩阵中的最长递增路径</a></td>
        <td>39.6%</td>
        <td>困难</td>
        <td>3</td>
        <td>1.082</td>
    </tr>
    <tr>
        <td>80</td>
        <td>380</td>
        <td><a target="_blank" href="https://leetcode-cn.com/problems/insert-delete-getrandom-o1/">常数时间插入、删除和获取随机元素</a>
        </td>
        <td>47.7%</td>
        <td>中等</td>
        <td>3</td>
        <td>1.099</td>
    </tr>
    <tr>
        <td>81</td>
        <td>724</td>
        <td><a target="_blank" href="https://leetcode-cn.com/problems/find-pivot-index/">寻找数组的中心索引</a></td>
        <td>36.1%</td>
        <td>简单</td>
        <td>3</td>
        <td>0.578</td>
    </tr>
    <tr>
        <td>82</td>
        <td>6</td>
        <td><a target="_blank" href="https://leetcode-cn.com/problems/zigzag-conversion/">Z 字形变换</a></td>
        <td>46.6%</td>
        <td>中等</td>
        <td>3</td>
        <td>0.209</td>
    </tr>
    <tr>
        <td>83</td>
        <td>19</td>
        <td><a target="_blank"
               href="https://leetcode-cn.com/problems/remove-nth-node-from-end-of-list/">删除链表的倒数第N个节点</a></td>
        <td>37.4%</td>
        <td>中等</td>
        <td>3</td>
        <td>0.156</td>
    </tr>
    <tr>
        <td>84</td>
        <td>22</td>
        <td><a target="_blank" href="https://leetcode-cn.com/problems/generate-parentheses/">括号生成</a></td>
        <td>73.2%</td>
        <td>中等</td>
        <td>3</td>
        <td>0.214</td>
    </tr>
    <tr>
        <td>85</td>
        <td>28</td>
        <td><a target="_blank" href="https://leetcode-cn.com/problems/implement-strstr/">实现 strStr()</a></td>
        <td>39.5%</td>
        <td>简单</td>
        <td>3</td>
        <td>0.172</td>
    </tr>
    <tr>
        <td>86</td>
        <td>38</td>
        <td><a target="_blank" href="https://leetcode-cn.com/problems/count-and-say/">外观数列</a></td>
        <td>54.4%</td>
        <td>简单</td>
        <td>3</td>
        <td>0.264</td>
    </tr>
    <tr>
        <td>87</td>
        <td>149</td>
        <td><a target="_blank" href="https://leetcode-cn.com/problems/max-points-on-a-line/">直线上最多的点数</a></td>
        <td>20.4%</td>
        <td>困难</td>
        <td>3</td>
        <td>1.095</td>
    </tr>
    <tr>
        <td>88</td>
        <td>24</td>
        <td><a target="_blank" href="https://leetcode-cn.com/problems/swap-nodes-in-pairs/">两两交换链表中的节点</a></td>
        <td>64.2%</td>
        <td>中等</td>
        <td>3</td>
        <td>0.215</td>
    </tr>
    <tr>
        <td>89</td>
        <td>31</td>
        <td><a target="_blank" href="https://leetcode-cn.com/problems/next-permutation/">下一个排列</a></td>
        <td>32.8%</td>
        <td>中等</td>
        <td>3</td>
        <td>0.304</td>
    </tr>
    <tr>
        <td>90</td>
        <td>39</td>
        <td><a target="_blank" href="https://leetcode-cn.com/problems/combination-sum/">组合总和</a></td>
        <td>68.3%</td>
        <td>中等</td>
        <td>3</td>
        <td>0.276</td>
    </tr>
    <tr>
        <td>91</td>
        <td>169</td>
        <td><a target="_blank" href="https://leetcode-cn.com/problems/majority-element/">多数元素</a></td>
        <td>61.5%</td>
        <td>简单</td>
        <td>3</td>
        <td>0.214</td>
    </tr>
    <tr>
        <td>92</td>
        <td>268</td>
        <td><a target="_blank" href="https://leetcode-cn.com/problems/missing-number/">缺失数字</a></td>
        <td>54.0%</td>
        <td>简单</td>
        <td>3</td>
        <td>0.386</td>
    </tr>
    <tr>
        <td>93</td>
        <td>279</td>
        <td><a target="_blank" href="https://leetcode-cn.com/problems/perfect-squares/">完全平方数</a></td>
        <td>53.4%</td>
        <td>中等</td>
        <td>3</td>
        <td>0.416</td>
    </tr>
    <tr>
        <td>94</td>
        <td>311</td>
        <td><a target="_blank" href="https://leetcode-cn.com/problems/sparse-matrix-multiplication/">稀疏矩阵的乘法</a></td>
        <td>73.9%</td>
        <td>中等</td>
        <td>3</td>
        <td>2.582</td>
    </tr>
    <tr>
        <td>95</td>
        <td>394</td>
        <td><a target="_blank" href="https://leetcode-cn.com/problems/decode-string/">字符串解码</a></td>
        <td>48.4%</td>
        <td>中等</td>
        <td>3</td>
        <td>0.56</td>
    </tr>
    <tr>
        <td>96</td>
        <td>16</td>
        <td><a target="_blank" href="https://leetcode-cn.com/problems/3sum-closest/">最接近的三数之和</a></td>
        <td>42.9%</td>
        <td>中等</td>
        <td>3</td>
        <td>0.22</td>
    </tr>
    <tr>
        <td>97</td>
        <td>176</td>
        <td><a target="_blank" href="https://leetcode-cn.com/problems/second-highest-salary/">第二高的薪水</a></td>
        <td>33.8%</td>
        <td>简单</td>
        <td>3</td>
        <td>0.302</td>
    </tr>
    <tr>
        <td>98</td>
        <td>32</td>
        <td><a target="_blank" href="https://leetcode-cn.com/problems/longest-valid-parentheses/">最长有效括号</a></td>
        <td>29.5%</td>
        <td>困难</td>
        <td>3</td>
        <td>0.317</td>
    </tr>
    <tr>
        <td>99</td>
        <td>41</td>
        <td><a target="_blank" href="https://leetcode-cn.com/problems/first-missing-positive/">缺失的第一个正数</a></td>
        <td>37.5%</td>
        <td>困难</td>
        <td>3</td>
        <td>0.397</td>
    </tr>
    <tr>
        <td>100</td>
        <td>45</td>
        <td><a target="_blank" href="https://leetcode-cn.com/problems/jump-game-ii/">跳跃游戏 II</a></td>
        <td>33.0%</td>
        <td>困难</td>
        <td>3</td>
        <td>0.426</td>
    </tr>
    <tr>
        <td>101</td>
        <td>55</td>
        <td><a target="_blank" href="https://leetcode-cn.com/problems/jump-game/">跳跃游戏</a></td>
        <td>38.0%</td>
        <td>中等</td>
        <td>3</td>
        <td>0.247</td>
    </tr>
    <tr>
        <td>102</td>
        <td>75</td>
        <td><a target="_blank" href="https://leetcode-cn.com/problems/sort-colors/">颜色分类</a></td>
        <td>54.5%</td>
        <td>中等</td>
        <td>3</td>
        <td>0.264</td>
    </tr>
    <tr>
        <td>103</td>
        <td>101</td>
        <td><a target="_blank" href="https://leetcode-cn.com/problems/symmetric-tree/">对称二叉树</a></td>
        <td>49.9%</td>
        <td>简单</td>
        <td>3</td>
        <td>0.165</td>
    </tr>
    <tr>
        <td>104</td>
        <td>253</td>
        <td><a target="_blank" href="https://leetcode-cn.com/problems/meeting-rooms-ii/">会议室 II</a></td>
        <td>40.9%</td>
        <td>中等</td>
        <td>3</td>
        <td>1.173</td>
    </tr>
    <tr>
        <td>105</td>
        <td>348</td>
        <td><a target="_blank" href="https://leetcode-cn.com/problems/design-tic-tac-toe/">判定井字棋胜负</a></td>
        <td>56.4%</td>
        <td>中等</td>
        <td>3</td>
        <td>1.976</td>
    </tr>
    <tr>
        <td>106</td>
        <td>543</td>
        <td><a target="_blank" href="https://leetcode-cn.com/problems/diameter-of-binary-tree/">二叉树的直径</a></td>
        <td>47.0%</td>
        <td>简单</td>
        <td>3</td>
        <td>0.452</td>
    </tr>
    <tr>
        <td>107</td>
        <td>973</td>
        <td><a target="_blank" href="https://leetcode-cn.com/problems/k-closest-points-to-origin/">最接近原点的 K 个点</a></td>
        <td>57.4%</td>
        <td>中等</td>
        <td>3</td>
        <td>0.904</td>
    </tr>
    <tr>
        <td>108</td>
        <td>160</td>
        <td><a target="_blank" href="https://leetcode-cn.com/problems/intersection-of-two-linked-lists/">相交链表</a></td>
        <td>52.1%</td>
        <td>简单</td>
        <td>2</td>
        <td>0.196</td>
    </tr>
    <tr>
        <td>109</td>
        <td>177</td>
        <td><a target="_blank" href="https://leetcode-cn.com/problems/nth-highest-salary/">第N高的薪水</a></td>
        <td>43.8%</td>
        <td>中等</td>
        <td>2</td>
        <td>0.501</td>
    </tr>
    <tr>
        <td>110</td>
        <td>349</td>
        <td><a target="_blank" href="https://leetcode-cn.com/problems/intersection-of-two-arrays/">两个数组的交集</a></td>
        <td>68.0%</td>
        <td>简单</td>
        <td>2</td>
        <td>0.317</td>
    </tr>
    <tr>
        <td>111</td>
        <td>34</td>
        <td><a target="_blank"
               href="https://leetcode-cn.com/problems/find-first-and-last-position-of-element-in-sorted-array/">在排序数组中查找元素的第一个和最后一个位置</a>
        </td>
        <td>38.9%</td>
        <td>中等</td>
        <td>2</td>
        <td>0.199</td>
    </tr>
    <tr>
        <td>112</td>
        <td>167</td>
        <td><a target="_blank" href="https://leetcode-cn.com/problems/two-sum-ii-input-array-is-sorted/">两数之和 II -
            输入有序数组</a></td>
        <td>52.3%</td>
        <td>简单</td>
        <td>2</td>
        <td>0.199</td>
    </tr>
    <tr>
        <td>113</td>
        <td>173</td>
        <td><a target="_blank" href="https://leetcode-cn.com/problems/binary-search-tree-iterator/">二叉搜索树迭代器</a></td>
        <td>70.7%</td>
        <td>中等</td>
        <td>2</td>
        <td>0.628</td>
    </tr>
    <tr>
        <td>114</td>
        <td>212</td>
        <td><a target="_blank" href="https://leetcode-cn.com/problems/word-search-ii/">单词搜索 II</a></td>
        <td>39.1%</td>
        <td>困难</td>
        <td>2</td>
        <td>0.892</td>
    </tr>
    <tr>
        <td>115</td>
        <td>232</td>
        <td><a target="_blank" href="https://leetcode-cn.com/problems/implement-queue-using-stacks/">用栈实现队列</a></td>
        <td>62.6%</td>
        <td>简单</td>
        <td>2</td>
        <td>0.337</td>
    </tr>
    <tr>
        <td>116</td>
        <td>269</td>
        <td><a target="_blank" href="https://leetcode-cn.com/problems/alien-dictionary/">火星词典</a></td>
        <td>39.6%</td>
        <td>困难</td>
        <td>2</td>
        <td>2.005</td>
    </tr>
    <tr>
        <td>117</td>
        <td>384</td>
        <td><a target="_blank" href="https://leetcode-cn.com/problems/shuffle-an-array/">打乱数组</a></td>
        <td>49.3%</td>
        <td>中等</td>
        <td>2</td>
        <td>0.801</td>
    </tr>
    <tr>
        <td>118</td>
        <td>463</td>
        <td><a target="_blank" href="https://leetcode-cn.com/problems/island-perimeter/">岛屿的周长</a></td>
        <td>65.0%</td>
        <td>简单</td>
        <td>2</td>
        <td>0.802</td>
    </tr>
    <tr>
        <td>119</td>
        <td>692</td>
        <td><a target="_blank" href="https://leetcode-cn.com/problems/top-k-frequent-words/">前K个高频单词</a></td>
        <td>48.4%</td>
        <td>中等</td>
        <td>2</td>
        <td>1.041</td>
    </tr>
    <tr>
        <td>120</td>
        <td>977</td>
        <td><a target="_blank" href="https://leetcode-cn.com/problems/squares-of-a-sorted-array/">有序数组的平方</a></td>
        <td>70.9%</td>
        <td>简单</td>
        <td>2</td>
        <td>0.543</td>
    </tr>
    <tr>
        <td>121</td>
        <td>108</td>
        <td><a target="_blank" href="https://leetcode-cn.com/problems/convert-sorted-array-to-binary-search-tree/">将有序数组转换为二叉搜索树</a>
        </td>
        <td>69.0%</td>
        <td>简单</td>
        <td>2</td>
        <td>0.264</td>
    </tr>
    <tr>
        <td>122</td>
        <td>171</td>
        <td><a target="_blank" href="https://leetcode-cn.com/problems/excel-sheet-column-number/">Excel表列序号</a></td>
        <td>66.5%</td>
        <td>简单</td>
        <td>2</td>
        <td>0.424</td>
    </tr>
    <tr>
        <td>123</td>
        <td>393</td>
        <td><a target="_blank" href="https://leetcode-cn.com/problems/utf-8-validation/">UTF-8 编码验证</a></td>
        <td>37.4%</td>
        <td>中等</td>
        <td>2</td>
        <td>1.517</td>
    </tr>
    <tr>
        <td>124</td>
        <td>78</td>
        <td><a target="_blank" href="https://leetcode-cn.com/problems/subsets/">子集</a></td>
        <td>76.3%</td>
        <td>中等</td>
        <td>2</td>
        <td>0.205</td>
    </tr>
    <tr>
        <td>125</td>
        <td>120</td>
        <td><a target="_blank" href="https://leetcode-cn.com/problems/triangle/">三角形最小路径和</a></td>
        <td>63.6%</td>
        <td>中等</td>
        <td>2</td>
        <td>0.299</td>
    </tr>
    <tr>
        <td>126</td>
        <td>234</td>
        <td><a target="_blank" href="https://leetcode-cn.com/problems/palindrome-linked-list/">回文链表</a></td>
        <td>40.2%</td>
        <td>简单</td>
        <td>2</td>
        <td>0.209</td>
    </tr>
    <tr>
        <td>127</td>
        <td>122</td>
        <td><a target="_blank" href="https://leetcode-cn.com/problems/best-time-to-buy-and-sell-stock-ii/">买卖股票的最佳时机
            II</a></td>
        <td>57.3%</td>
        <td>简单</td>
        <td>2</td>
        <td>0.134</td>
    </tr>
    <tr>
        <td>128</td>
        <td>18</td>
        <td><a target="_blank" href="https://leetcode-cn.com/problems/4sum/">四数之和</a></td>
        <td>37.1%</td>
        <td>中等</td>
        <td>2</td>
        <td>0.232</td>
    </tr>
    <tr>
        <td>129</td>
        <td>72</td>
        <td><a target="_blank" href="https://leetcode-cn.com/problems/edit-distance/">编辑距离</a></td>
        <td>56.1%</td>
        <td>困难</td>
        <td>2</td>
        <td>0.333</td>
    </tr>
    <tr>
        <td>130</td>
        <td>74</td>
        <td><a target="_blank" href="https://leetcode-cn.com/problems/search-a-2d-matrix/">搜索二维矩阵</a></td>
        <td>37.2%</td>
        <td>中等</td>
        <td>2</td>
        <td>0.318</td>
    </tr>
    <tr>
        <td>131</td>
        <td>231</td>
        <td><a target="_blank" href="https://leetcode-cn.com/problems/power-of-two/">2的幂</a></td>
        <td>47.5%</td>
        <td>简单</td>
        <td>2</td>
        <td>0.32</td>
    </tr>
    <tr>
        <td>132</td>
        <td>239</td>
        <td><a target="_blank" href="https://leetcode-cn.com/problems/sliding-window-maximum/">滑动窗口最大值</a></td>
        <td>43.7%</td>
        <td>困难</td>
        <td>2</td>
        <td>0.394</td>
    </tr>
    <tr>
        <td>133</td>
        <td>350</td>
        <td><a target="_blank" href="https://leetcode-cn.com/problems/intersection-of-two-arrays-ii/">两个数组的交集 II</a>
        </td>
        <td>46.4%</td>
        <td>简单</td>
        <td>2</td>
        <td>0.264</td>
    </tr>
    <tr>
        <td>134</td>
        <td>29</td>
        <td><a target="_blank" href="https://leetcode-cn.com/problems/divide-two-integers/">两数相除</a></td>
        <td>19.2%</td>
        <td>中等</td>
        <td>2</td>
        <td>0.243</td>
    </tr>
    <tr>
        <td>135</td>
        <td>65</td>
        <td><a target="_blank" href="https://leetcode-cn.com/problems/valid-number/">有效数字</a></td>
        <td>17.9%</td>
        <td>困难</td>
        <td>2</td>
        <td>0.78</td>
    </tr>
    <tr>
        <td>136</td>
        <td>67</td>
        <td><a target="_blank" href="https://leetcode-cn.com/problems/add-binary/">二进制求和</a></td>
        <td>52.2%</td>
        <td>简单</td>
        <td>2</td>
        <td>0.181</td>
    </tr>
    <tr>
        <td>137</td>
        <td>105</td>
        <td><a target="_blank"
               href="https://leetcode-cn.com/problems/construct-binary-tree-from-preorder-and-inorder-traversal/">从前序与中序遍历序列构造二叉树</a>
        </td>
        <td>64.0%</td>
        <td>中等</td>
        <td>2</td>
        <td>0.233</td>
    </tr>
    <tr>
        <td>138</td>
        <td>221</td>
        <td><a target="_blank" href="https://leetcode-cn.com/problems/maximal-square/">最大正方形</a></td>
        <td>38.8%</td>
        <td>中等</td>
        <td>2</td>
        <td>0.376</td>
    </tr>
    <tr>
        <td>139</td>
        <td>240</td>
        <td><a target="_blank" href="https://leetcode-cn.com/problems/search-a-2d-matrix-ii/">搜索二维矩阵 II</a></td>
        <td>38.7%</td>
        <td>中等</td>
        <td>2</td>
        <td>0.287</td>
    </tr>
    <tr>
        <td>140</td>
        <td>51</td>
        <td><a target="_blank" href="https://leetcode-cn.com/problems/n-queens/">N皇后</a></td>
        <td>67.9%</td>
        <td>困难</td>
        <td>2</td>
        <td>0.36</td>
    </tr>
    <tr>
        <td>141</td>
        <td>83</td>
        <td><a target="_blank"
               href="https://leetcode-cn.com/problems/remove-duplicates-from-sorted-list/">删除排序链表中的重复元素</a></td>
        <td>49.0%</td>
        <td>简单</td>
        <td>2</td>
        <td>0.161</td>
    </tr>
    <tr>
        <td>142</td>
        <td>92</td>
        <td><a target="_blank" href="https://leetcode-cn.com/problems/reverse-linked-list-ii/">反转链表 II</a></td>
        <td>48.9%</td>
        <td>中等</td>
        <td>2</td>
        <td>0.279</td>
    </tr>
    <tr>
        <td>143</td>
        <td>103</td>
        <td><a target="_blank" href="https://leetcode-cn.com/problems/binary-tree-zigzag-level-order-traversal/">二叉树的锯齿形层次遍历</a>
        </td>
        <td>53.4%</td>
        <td>中等</td>
        <td>2</td>
        <td>0.277</td>
    </tr>
    <tr>
        <td>144</td>
        <td>116</td>
        <td><a target="_blank" href="https://leetcode-cn.com/problems/populating-next-right-pointers-in-each-node/">填充每个节点的下一个右侧节点指针</a>
        </td>
        <td>53.5%</td>
        <td>中等</td>
        <td>2</td>
        <td>0.438</td>
    </tr>
    <tr>
        <td>145</td>
        <td>230</td>
        <td><a target="_blank" href="https://leetcode-cn.com/problems/kth-smallest-element-in-a-bst/">二叉搜索树中第K小的元素</a>
        </td>
        <td>68.3%</td>
        <td>中等</td>
        <td>2</td>
        <td>0.322</td>
    </tr>
    <tr>
        <td>146</td>
        <td>273</td>
        <td><a target="_blank" href="https://leetcode-cn.com/problems/integer-to-english-words/">整数转换英文表示</a></td>
        <td>26.1%</td>
        <td>困难</td>
        <td>2</td>
        <td>1.24</td>
    </tr>
    <tr>
        <td>147</td>
        <td>315</td>
        <td><a target="_blank" href="https://leetcode-cn.com/problems/count-of-smaller-numbers-after-self/">计算右侧小于当前元素的个数</a>
        </td>
        <td>37.2%</td>
        <td>困难</td>
        <td>2</td>
        <td>0.641</td>
    </tr>
    <tr>
        <td>148</td>
        <td>460</td>
        <td><a target="_blank" href="https://leetcode-cn.com/problems/lfu-cache/">LFU缓存</a></td>
        <td>33.7%</td>
        <td>困难</td>
        <td>2</td>
        <td>1.637</td>
    </tr>
    <tr>
        <td>149</td>
        <td>560</td>
        <td><a target="_blank" href="https://leetcode-cn.com/problems/subarray-sum-equals-k/">和为K的子数组</a></td>
        <td>43.5%</td>
        <td>中等</td>
        <td>2</td>
        <td>0.501</td>
    </tr>
    <tr>
        <td>150</td>
        <td>621</td>
        <td><a target="_blank" href="https://leetcode-cn.com/problems/task-scheduler/">任务调度器</a></td>
        <td>47.5%</td>
        <td>中等</td>
        <td>2</td>
        <td>0.53</td>
    </tr>
    <tr>
        <td>151</td>
        <td>733</td>
        <td><a target="_blank" href="https://leetcode-cn.com/problems/flood-fill/">图像渲染</a></td>
        <td>52.8%</td>
        <td>简单</td>
        <td>2</td>
        <td>0.74</td>
    </tr>
    <tr>
        <td>152</td>
        <td>739</td>
        <td><a target="_blank" href="https://leetcode-cn.com/problems/daily-temperatures/">每日温度</a></td>
        <td>58.0%</td>
        <td>中等</td>
        <td>2</td>
        <td>0.33</td>
    </tr>
    <tr>
        <td>153</td>
        <td>706</td>
        <td><a target="_blank" href="https://leetcode-cn.com/problems/design-hashmap/">设计哈希映射</a></td>
        <td>55.8%</td>
        <td>简单</td>
        <td>2</td>
        <td>0.823</td>
    </tr>
    <tr>
        <td>154</td>
        <td>509</td>
        <td><a target="_blank" href="https://leetcode-cn.com/problems/fibonacci-number/">斐波那契数</a></td>
        <td>66.0%</td>
        <td>简单</td>
        <td>2</td>
        <td>0.279</td>
    </tr>
    <tr>
        <td>155</td>
        <td>1108</td>
        <td><a target="_blank" href="https://leetcode-cn.com/problems/defanging-an-ip-address/">IP 地址无效化</a></td>
        <td>81.0%</td>
        <td>简单</td>
        <td>2</td>
        <td>0.4</td>
    </tr>
    <tr>
        <td>156</td>
        <td>199</td>
        <td><a target="_blank" href="https://leetcode-cn.com/problems/binary-tree-right-side-view/">二叉树的右视图</a></td>
        <td>63.0%</td>
        <td>中等</td>
        <td>2</td>
        <td>0.407</td>
    </tr>
    <tr>
        <td>157</td>
        <td>162</td>
        <td><a target="_blank" href="https://leetcode-cn.com/problems/find-peak-element/">寻找峰值</a></td>
        <td>44.3%</td>
        <td>中等</td>
        <td>2</td>
        <td>0.313</td>
    </tr>
    <tr>
        <td>158</td>
        <td>178</td>
        <td><a target="_blank" href="https://leetcode-cn.com/problems/rank-scores/">分数排名</a></td>
        <td>60.3%</td>
        <td>中等</td>
        <td>2</td>
        <td>0.391</td>
    </tr>
    <tr>
        <td>159</td>
        <td>225</td>
        <td><a target="_blank" href="https://leetcode-cn.com/problems/implement-stack-using-queues/">用队列实现栈</a></td>
        <td>62.1%</td>
        <td>简单</td>
        <td>2</td>
        <td>0.269</td>
    </tr>
    <tr>
        <td>160</td>
        <td>35</td>
        <td><a target="_blank" href="https://leetcode-cn.com/problems/search-insert-position/">搜索插入位置</a></td>
        <td>45.1%</td>
        <td>简单</td>
        <td>2</td>
        <td>0.094</td>
    </tr>
    <tr>
        <td>161</td>
        <td>217</td>
        <td><a target="_blank" href="https://leetcode-cn.com/problems/contains-duplicate/">存在重复元素</a></td>
        <td>51.5%</td>
        <td>简单</td>
        <td>2</td>
        <td>0.131</td>
    </tr>
    <tr>
        <td>162</td>
        <td>118</td>
        <td><a target="_blank" href="https://leetcode-cn.com/problems/pascals-triangle/">杨辉三角</a></td>
        <td>65.6%</td>
        <td>简单</td>
        <td>2</td>
        <td>0.164</td>
    </tr>
    <tr>
        <td>163</td>
        <td>165</td>
        <td><a target="_blank" href="https://leetcode-cn.com/problems/compare-version-numbers/">比较版本号</a></td>
        <td>38.6%</td>
        <td>中等</td>
        <td>2</td>
        <td>0.518</td>
    </tr>
    <tr>
        <td>164</td>
        <td>25</td>
        <td><a target="_blank" href="https://leetcode-cn.com/problems/reverse-nodes-in-k-group/">K 个一组翻转链表</a></td>
        <td>56.1%</td>
        <td>困难</td>
        <td>2</td>
        <td>0.242</td>
    </tr>
    <tr>
        <td>165</td>
        <td>43</td>
        <td><a target="_blank" href="https://leetcode-cn.com/problems/multiply-strings/">字符串相乘</a></td>
        <td>41.5%</td>
        <td>中等</td>
        <td>2</td>
        <td>0.226</td>
    </tr>
    <tr>
        <td>166</td>
        <td>57</td>
        <td><a target="_blank" href="https://leetcode-cn.com/problems/insert-interval/">插入区间</a></td>
        <td>36.8%</td>
        <td>困难</td>
        <td>2</td>
        <td>0.472</td>
    </tr>
    <tr>
        <td>167</td>
        <td>59</td>
        <td><a target="_blank" href="https://leetcode-cn.com/problems/spiral-matrix-ii/">螺旋矩阵 II</a></td>
        <td>76.5%</td>
        <td>中等</td>
        <td>2</td>
        <td>0.307</td>
    </tr>
    <tr>
        <td>168</td>
        <td>68</td>
        <td><a target="_blank" href="https://leetcode-cn.com/problems/text-justification/">文本左右对齐</a></td>
        <td>42.1%</td>
        <td>困难</td>
        <td>2</td>
        <td>0.852</td>
    </tr>
    <tr>
        <td>169</td>
        <td>133</td>
        <td><a target="_blank" href="https://leetcode-cn.com/problems/clone-graph/">克隆图</a></td>
        <td>48.7%</td>
        <td>中等</td>
        <td>2</td>
        <td>0.523</td>
    </tr>
    <tr>
        <td>170</td>
        <td>153</td>
        <td><a target="_blank" href="https://leetcode-cn.com/problems/find-minimum-in-rotated-sorted-array/">寻找旋转排序数组中的最小值</a>
        </td>
        <td>50.1%</td>
        <td>中等</td>
        <td>2</td>
        <td>0.278</td>
    </tr>
    <tr>
        <td>171</td>
        <td>198</td>
        <td><a target="_blank" href="https://leetcode-cn.com/problems/house-robber/">打家劫舍</a></td>
        <td>42.8%</td>
        <td>简单</td>
        <td>2</td>
        <td>0.123</td>
    </tr>
    <tr>
        <td>172</td>
        <td>332</td>
        <td><a target="_blank" href="https://leetcode-cn.com/problems/reconstruct-itinerary/">重新安排行程</a></td>
        <td>35.6%</td>
        <td>中等</td>
        <td>2</td>
        <td>0.84</td>
    </tr>
    <tr>
        <td>173</td>
        <td>336</td>
        <td><a target="_blank" href="https://leetcode-cn.com/problems/palindrome-pairs/">回文对</a></td>
        <td>33.0%</td>
        <td>困难</td>
        <td>2</td>
        <td>1.353</td>
    </tr>
    <tr>
        <td>174</td>
        <td>347</td>
        <td><a target="_blank" href="https://leetcode-cn.com/problems/top-k-frequent-elements/">前 K 个高频元素</a></td>
        <td>60.1%</td>
        <td>中等</td>
        <td>2</td>
        <td>0.241</td>
    </tr>
    <tr>
        <td>175</td>
        <td>381</td>
        <td><a target="_blank" href="https://leetcode-cn.com/problems/insert-delete-getrandom-o1-duplicates-allowed/">O(1)
            时间插入、删除和获取随机元素 - 允许重复</a></td>
        <td>36.6%</td>
        <td>困难</td>
        <td>2</td>
        <td>1.573</td>
    </tr>
    <tr>
        <td>176</td>
        <td>179</td>
        <td><a target="_blank" href="https://leetcode-cn.com/problems/largest-number/">最大数</a></td>
        <td>35.2%</td>
        <td>中等</td>
        <td>2</td>
        <td>0.377</td>
    </tr>
    <tr>
        <td>177</td>
        <td>208</td>
        <td><a target="_blank" href="https://leetcode-cn.com/problems/implement-trie-prefix-tree/">实现 Trie (前缀树)</a>
        </td>
        <td>64.3%</td>
        <td>中等</td>
        <td>2</td>
        <td>0.307</td>
    </tr>
    <tr>
        <td>178</td>
        <td>210</td>
        <td><a target="_blank" href="https://leetcode-cn.com/problems/course-schedule-ii/">课程表 II</a></td>
        <td>46.1%</td>
        <td>中等</td>
        <td>2</td>
        <td>0.494</td>
    </tr>
    <tr>
        <td>179</td>
        <td>94</td>
        <td><a target="_blank" href="https://leetcode-cn.com/problems/binary-tree-inorder-traversal/">二叉树的中序遍历</a></td>
        <td>70.0%</td>
        <td>中等</td>
        <td>2</td>
        <td>0.108</td>
    </tr>
    <tr>
        <td>180</td>
        <td>61</td>
        <td><a target="_blank" href="https://leetcode-cn.com/problems/rotate-list/">旋转链表</a></td>
        <td>39.8%</td>
        <td>中等</td>
        <td>2</td>
        <td>0.178</td>
    </tr>
    <tr>
        <td>181</td>
        <td>112</td>
        <td><a target="_blank" href="https://leetcode-cn.com/problems/path-sum/">路径总和</a></td>
        <td>48.9%</td>
        <td>简单</td>
        <td>2</td>
        <td>0.143</td>
    </tr>
    <tr>
        <td>182</td>
        <td>152</td>
        <td><a target="_blank" href="https://leetcode-cn.com/problems/maximum-product-subarray/">乘积最大子序列</a></td>
        <td>37.0%</td>
        <td>中等</td>
        <td>2</td>
        <td>0.191</td>
    </tr>
    <tr>
        <td>183</td>
        <td>168</td>
        <td><a target="_blank" href="https://leetcode-cn.com/problems/excel-sheet-column-title/">Excel表列名称</a></td>
        <td>36.5%</td>
        <td>简单</td>
        <td>2</td>
        <td>0.326</td>
    </tr>
    <tr>
        <td>184</td>
        <td>181</td>
        <td><a target="_blank" href="https://leetcode-cn.com/problems/employees-earning-more-than-their-managers/">超过经理收入的员工</a>
        </td>
        <td>68.2%</td>
        <td>简单</td>
        <td>2</td>
        <td>0.27</td>
    </tr>
    <tr>
        <td>185</td>
        <td>292</td>
        <td><a target="_blank" href="https://leetcode-cn.com/problems/nim-game/">Nim 游戏</a></td>
        <td>69.7%</td>
        <td>简单</td>
        <td>2</td>
        <td>0.252</td>
    </tr>
    <tr>
        <td>186</td>
        <td>378</td>
        <td><a target="_blank" href="https://leetcode-cn.com/problems/kth-smallest-element-in-a-sorted-matrix/">有序矩阵中第K小的元素</a>
        </td>
        <td>57.9%</td>
        <td>中等</td>
        <td>2</td>
        <td>0.46</td>
    </tr>
    <tr>
        <td>187</td>
        <td>207</td>
        <td><a target="_blank" href="https://leetcode-cn.com/problems/course-schedule/">课程表</a></td>
        <td>49.1%</td>
        <td>中等</td>
        <td>2</td>
        <td>0.293</td>
    </tr>
    <tr>
        <td>188</td>
        <td>383</td>
        <td><a target="_blank" href="https://leetcode-cn.com/problems/ransom-note/">赎金信</a></td>
        <td>51.5%</td>
        <td>简单</td>
        <td>2</td>
        <td>0.35</td>
    </tr>
    <tr>
        <td>189</td>
        <td>195</td>
        <td><a target="_blank" href="https://leetcode-cn.com/problems/tenth-line/">第十行</a></td>
        <td>43.5%</td>
        <td>简单</td>
        <td>2</td>
        <td>0.605</td>
    </tr>
    <tr>
        <td>190</td>
        <td>235</td>
        <td><a target="_blank" href="https://leetcode-cn.com/problems/lowest-common-ancestor-of-a-binary-search-tree/">二叉搜索树的最近公共祖先</a>
        </td>
        <td>62.1%</td>
        <td>简单</td>
        <td>2</td>
        <td>0.216</td>
    </tr>
    <tr>
        <td>191</td>
        <td>251</td>
        <td><a target="_blank" href="https://leetcode-cn.com/problems/flatten-2d-vector/">展开二维向量</a></td>
        <td>51.2%</td>
        <td>中等</td>
        <td>2</td>
        <td>1.817</td>
    </tr>
    <tr>
        <td>192</td>
        <td>277</td>
        <td><a target="_blank" href="https://leetcode-cn.com/problems/find-the-celebrity/">搜寻名人</a></td>
        <td>57.8%</td>
        <td>中等</td>
        <td>2</td>
        <td>1.337</td>
    </tr>
    <tr>
        <td>193</td>
        <td>326</td>
        <td><a target="_blank" href="https://leetcode-cn.com/problems/power-of-three/">3的幂</a></td>
        <td>46.4%</td>
        <td>简单</td>
        <td>2</td>
        <td>0.272</td>
    </tr>
    <tr>
        <td>194</td>
        <td>351</td>
        <td><a target="_blank" href="https://leetcode-cn.com/problems/android-unlock-patterns/">安卓系统手势解锁</a></td>
        <td>63.1%</td>
        <td>中等</td>
        <td>2</td>
        <td>1.949</td>
    </tr>
    <tr>
        <td>195</td>
        <td>419</td>
        <td><a target="_blank" href="https://leetcode-cn.com/problems/battleships-in-a-board/">甲板上的战舰</a></td>
        <td>70.6%</td>
        <td>中等</td>
        <td>2</td>
        <td>1.018</td>
    </tr>
    <tr>
        <td>196</td>
        <td>443</td>
        <td><a target="_blank" href="https://leetcode-cn.com/problems/string-compression/">压缩字符串</a></td>
        <td>39.1%</td>
        <td>简单</td>
        <td>2</td>
        <td>0.442</td>
    </tr>
    <tr>
        <td>197</td>
        <td>448</td>
        <td><a target="_blank" href="https://leetcode-cn.com/problems/find-all-numbers-disappeared-in-an-array/">找到所有数组中消失的数字</a>
        </td>
        <td>56.0%</td>
        <td>简单</td>
        <td>2</td>
        <td>0.249</td>
    </tr>
    <tr>
        <td>198</td>
        <td>450</td>
        <td><a target="_blank" href="https://leetcode-cn.com/problems/delete-node-in-a-bst/">删除二叉搜索树中的节点</a></td>
        <td>37.8%</td>
        <td>中等</td>
        <td>2</td>
        <td>0.605</td>
    </tr>
    <tr>
        <td>199</td>
        <td>545</td>
        <td><a target="_blank" href="https://leetcode-cn.com/problems/boundary-of-binary-tree/">二叉树的边界</a></td>
        <td>34.7%</td>
        <td>中等</td>
        <td>2</td>
        <td>1.88</td>
    </tr>
    <tr>
        <td>200</td>
        <td>647</td>
        <td><a target="_blank" href="https://leetcode-cn.com/problems/palindromic-substrings/">回文子串</a></td>
        <td>60.5%</td>
        <td>中等</td>
        <td>2</td>
        <td>0.356</td>
    </tr>
    <tr>
        <td>201</td>
        <td>694</td>
        <td><a target="_blank" href="https://leetcode-cn.com/problems/number-of-distinct-islands/">不同岛屿的数量</a></td>
        <td>44.9%</td>
        <td>中等</td>
        <td>2</td>
        <td>2.014</td>
    </tr>
    <tr>
        <td>202</td>
        <td>428</td>
        <td><a target="_blank" href="https://leetcode-cn.com/problems/serialize-and-deserialize-n-ary-tree/">序列化和反序列化 N
            叉树</a></td>
        <td>62.3%</td>
        <td>困难</td>
        <td>2</td>
        <td>2.249</td>
    </tr>
    <tr>
        <td>203</td>
        <td>796</td>
        <td><a target="_blank" href="https://leetcode-cn.com/problems/rotate-string/">旋转字符串</a></td>
        <td>49.3%</td>
        <td>简单</td>
        <td>2</td>
        <td>0.785</td>
    </tr>
    <tr>
        <td>204</td>
        <td>528</td>
        <td><a target="_blank" href="https://leetcode-cn.com/problems/random-pick-with-weight/">按权重随机选择</a></td>
        <td>40.5%</td>
        <td>中等</td>
        <td>2</td>
        <td>1.514</td>
    </tr>
    <tr>
        <td>205</td>
        <td>114</td>
        <td><a target="_blank" href="https://leetcode-cn.com/problems/flatten-binary-tree-to-linked-list/">二叉树展开为链表</a>
        </td>
        <td>67.4%</td>
        <td>中等</td>
        <td>2</td>
        <td>0.223</td>
    </tr>
    <tr>
        <td>206</td>
        <td>415</td>
        <td><a target="_blank" href="https://leetcode-cn.com/problems/add-strings/">字符串相加</a></td>
        <td>49.3%</td>
        <td>简单</td>
        <td>2</td>
        <td>0.309</td>
    </tr>
    <tr>
        <td>207</td>
        <td>461</td>
        <td><a target="_blank" href="https://leetcode-cn.com/problems/hamming-distance/">汉明距离</a></td>
        <td>74.6%</td>
        <td>简单</td>
        <td>2</td>
        <td>0.214</td>
    </tr>
    <tr>
        <td>208</td>
        <td>109</td>
        <td><a target="_blank" href="https://leetcode-cn.com/problems/convert-sorted-list-to-binary-search-tree/">有序链表转换二叉搜索树</a>
        </td>
        <td>70.1%</td>
        <td>中等</td>
        <td>2</td>
        <td>0.335</td>
    </tr>
    <tr>
        <td>209</td>
        <td>249</td>
        <td><a target="_blank" href="https://leetcode-cn.com/problems/group-shifted-strings/">移位字符串分组</a></td>
        <td>58.4%</td>
        <td>中等</td>
        <td>2</td>
        <td>1.677</td>
    </tr>
    <tr>
        <td>210</td>
        <td>472</td>
        <td><a target="_blank" href="https://leetcode-cn.com/problems/concatenated-words/">连接词</a></td>
        <td>44.5%</td>
        <td>困难</td>
        <td>2</td>
        <td>1.616</td>
    </tr>
    <tr>
        <td>211</td>
        <td>27</td>
        <td><a target="_blank" href="https://leetcode-cn.com/problems/remove-element/">移除元素</a></td>
        <td>57.4%</td>
        <td>简单</td>
        <td>1</td>
        <td>0.054</td>
    </tr>
    <tr>
        <td>212</td>
        <td>113</td>
        <td><a target="_blank" href="https://leetcode-cn.com/problems/path-sum-ii/">路径总和 II</a></td>
        <td>58.5%</td>
        <td>中等</td>
        <td>1</td>
        <td>0.193</td>
    </tr>
    <tr>
        <td>213</td>
        <td>188</td>
        <td><a target="_blank" href="https://leetcode-cn.com/problems/best-time-to-buy-and-sell-stock-iv/">买卖股票的最佳时机
            IV</a></td>
        <td>28.8%</td>
        <td>困难</td>
        <td>1</td>
        <td>0.356</td>
    </tr>
    <tr>
        <td>214</td>
        <td>192</td>
        <td><a target="_blank" href="https://leetcode-cn.com/problems/word-frequency/">统计词频</a></td>
        <td>33.6%</td>
        <td>中等</td>
        <td>1</td>
        <td>0.737</td>
    </tr>
    <tr>
        <td>215</td>
        <td>209</td>
        <td><a target="_blank" href="https://leetcode-cn.com/problems/minimum-size-subarray-sum/">长度最小的子数组</a></td>
        <td>41.1%</td>
        <td>中等</td>
        <td>1</td>
        <td>0.22</td>
    </tr>
    <tr>
        <td>216</td>
        <td>30</td>
        <td><a target="_blank" href="https://leetcode-cn.com/problems/substring-with-concatenation-of-all-words/">串联所有单词的子串</a>
        </td>
        <td>29.1%</td>
        <td>困难</td>
        <td>1</td>
        <td>0.282</td>
    </tr>
    <tr>
        <td>217</td>
        <td>37</td>
        <td><a target="_blank" href="https://leetcode-cn.com/problems/sudoku-solver/">解数独</a></td>
        <td>59.3%</td>
        <td>困难</td>
        <td>1</td>
        <td>0.316</td>
    </tr>
    <tr>
        <td>218</td>
        <td>44</td>
        <td><a target="_blank" href="https://leetcode-cn.com/problems/wildcard-matching/">通配符匹配</a></td>
        <td>26.4%</td>
        <td>困难</td>
        <td>1</td>
        <td>0.26</td>
    </tr>
    <tr>
        <td>219</td>
        <td>64</td>
        <td><a target="_blank" href="https://leetcode-cn.com/problems/minimum-path-sum/">最小路径和</a></td>
        <td>64.5%</td>
        <td>中等</td>
        <td>1</td>
        <td>0.1</td>
    </tr>
    <tr>
        <td>220</td>
        <td>73</td>
        <td><a target="_blank" href="https://leetcode-cn.com/problems/set-matrix-zeroes/">矩阵置零</a></td>
        <td>55.0%</td>
        <td>中等</td>
        <td>1</td>
        <td>0.212</td>
    </tr>
    <tr>
        <td>221</td>
        <td>77</td>
        <td><a target="_blank" href="https://leetcode-cn.com/problems/combinations/">组合</a></td>
        <td>72.6%</td>
        <td>中等</td>
        <td>1</td>
        <td>0.2</td>
    </tr>
    <tr>
        <td>222</td>
        <td>100</td>
        <td><a target="_blank" href="https://leetcode-cn.com/problems/same-tree/">相同的树</a></td>
        <td>56.4%</td>
        <td>简单</td>
        <td>1</td>
        <td>0.097</td>
    </tr>
    <tr>
        <td>223</td>
        <td>110</td>
        <td><a target="_blank" href="https://leetcode-cn.com/problems/balanced-binary-tree/">平衡二叉树</a></td>
        <td>50.0%</td>
        <td>简单</td>
        <td>1</td>
        <td>0.123</td>
    </tr>
    <tr>
        <td>224</td>
        <td>142</td>
        <td><a target="_blank" href="https://leetcode-cn.com/problems/linked-list-cycle-ii/">环形链表 II</a></td>
        <td>48.2%</td>
        <td>中等</td>
        <td>1</td>
        <td>0.118</td>
    </tr>
    <tr>
        <td>225</td>
        <td>203</td>
        <td><a target="_blank" href="https://leetcode-cn.com/problems/remove-linked-list-elements/">移除链表元素</a></td>
        <td>43.9%</td>
        <td>简单</td>
        <td>1</td>
        <td>0.128</td>
    </tr>
    <tr>
        <td>226</td>
        <td>222</td>
        <td><a target="_blank" href="https://leetcode-cn.com/problems/count-complete-tree-nodes/">完全二叉树的节点个数</a></td>
        <td>66.0%</td>
        <td>中等</td>
        <td>1</td>
        <td>0.374</td>
    </tr>
    <tr>
        <td>227</td>
        <td>229</td>
        <td><a target="_blank" href="https://leetcode-cn.com/problems/majority-element-ii/">求众数 II</a></td>
        <td>42.6%</td>
        <td>中等</td>
        <td>1</td>
        <td>0.495</td>
    </tr>
    <tr>
        <td>228</td>
        <td>258</td>
        <td><a target="_blank" href="https://leetcode-cn.com/problems/add-digits/">各位相加</a></td>
        <td>65.5%</td>
        <td>简单</td>
        <td>1</td>
        <td>0.247</td>
    </tr>
    <tr>
        <td>229</td>
        <td>261</td>
        <td><a target="_blank" href="https://leetcode-cn.com/problems/graph-valid-tree/">以图判树</a></td>
        <td>44.6%</td>
        <td>中等</td>
        <td>1</td>
        <td>1.394</td>
    </tr>
    <tr>
        <td>230</td>
        <td>301</td>
        <td><a target="_blank" href="https://leetcode-cn.com/problems/remove-invalid-parentheses/">删除无效的括号</a></td>
        <td>45.1%</td>
        <td>困难</td>
        <td>1</td>
        <td>0.67</td>
    </tr>
    <tr>
        <td>231</td>
        <td>304</td>
        <td><a target="_blank" href="https://leetcode-cn.com/problems/range-sum-query-2d-immutable/">二维区域和检索 - 矩阵不可变</a>
        </td>
        <td>42.3%</td>
        <td>中等</td>
        <td>1</td>
        <td>0.569</td>
    </tr>
    <tr>
        <td>232</td>
        <td>333</td>
        <td><a target="_blank" href="https://leetcode-cn.com/problems/largest-bst-subtree/">最大 BST 子树</a></td>
        <td>41.9%</td>
        <td>中等</td>
        <td>1</td>
        <td>1.4</td>
    </tr>
    <tr>
        <td>233</td>
        <td>362</td>
        <td><a target="_blank" href="https://leetcode-cn.com/problems/design-hit-counter/">敲击计数器</a></td>
        <td>69.1%</td>
        <td>中等</td>
        <td>1</td>
        <td>1.548</td>
    </tr>
    <tr>
        <td>234</td>
        <td>388</td>
        <td><a target="_blank" href="https://leetcode-cn.com/problems/longest-absolute-file-path/">文件的最长绝对路径</a></td>
        <td>43.7%</td>
        <td>中等</td>
        <td>1</td>
        <td>1.182</td>
    </tr>
    <tr>
        <td>235</td>
        <td>391</td>
        <td><a target="_blank" href="https://leetcode-cn.com/problems/perfect-rectangle/">完美矩形</a></td>
        <td>24.5%</td>
        <td>困难</td>
        <td>1</td>
        <td>1.617</td>
    </tr>
    <tr>
        <td>236</td>
        <td>416</td>
        <td><a target="_blank" href="https://leetcode-cn.com/problems/partition-equal-subset-sum/">分割等和子集</a></td>
        <td>44.9%</td>
        <td>中等</td>
        <td>1</td>
        <td>0.319</td>
    </tr>
    <tr>
        <td>237</td>
        <td>479</td>
        <td><a target="_blank" href="https://leetcode-cn.com/problems/largest-palindrome-product/">最大回文数乘积</a></td>
        <td>31.5%</td>
        <td>困难</td>
        <td>1</td>
        <td>1.929</td>
    </tr>
    <tr>
        <td>238</td>
        <td>557</td>
        <td><a target="_blank" href="https://leetcode-cn.com/problems/reverse-words-in-a-string-iii/">反转字符串中的单词 III</a>
        </td>
        <td>69.2%</td>
        <td>简单</td>
        <td>1</td>
        <td>0.204</td>
    </tr>
    <tr>
        <td>239</td>
        <td>688</td>
        <td><a target="_blank" href="https://leetcode-cn.com/problems/knight-probability-in-chessboard/">“马”在棋盘上的概率</a>
        </td>
        <td>45.5%</td>
        <td>中等</td>
        <td>1</td>
        <td>1.319</td>
    </tr>
    <tr>
        <td>240</td>
        <td>709</td>
        <td><a target="_blank" href="https://leetcode-cn.com/problems/to-lower-case/">转换成小写字母</a></td>
        <td>75.1%</td>
        <td>简单</td>
        <td>1</td>
        <td>0.242</td>
    </tr>
    <tr>
        <td>241</td>
        <td>430</td>
        <td><a target="_blank" href="https://leetcode-cn.com/problems/flatten-a-multilevel-doubly-linked-list/">扁平化多级双向链表</a>
        </td>
        <td>45.5%</td>
        <td>中等</td>
        <td>1</td>
        <td>0.644</td>
    </tr>
    <tr>
        <td>242</td>
        <td>785</td>
        <td><a target="_blank" href="https://leetcode-cn.com/problems/is-graph-bipartite/">判断二分图</a></td>
        <td>42.5%</td>
        <td>中等</td>
        <td>1</td>
        <td>0.818</td>
    </tr>
    <tr>
        <td>243</td>
        <td>912</td>
        <td><a target="_blank" href="https://leetcode-cn.com/problems/sort-an-array/">排序数组</a></td>
        <td>52.4%</td>
        <td>中等</td>
        <td>1</td>
        <td>0.418</td>
    </tr>
    <tr>
        <td>244</td>
        <td>986</td>
        <td><a target="_blank" href="https://leetcode-cn.com/problems/interval-list-intersections/">区间列表的交集</a></td>
        <td>61.0%</td>
        <td>中等</td>
        <td>1</td>
        <td>0.951</td>
    </tr>
    <tr>
        <td>245</td>
        <td>1095</td>
        <td><a target="_blank" href="https://leetcode-cn.com/problems/find-in-mountain-array/">山脉数组中查找目标值</a></td>
        <td>29.5%</td>
        <td>困难</td>
        <td>1</td>
        <td>1.792</td>
    </tr>
    <tr>
        <td>246</td>
        <td>1114</td>
        <td><a target="_blank" href="https://leetcode-cn.com/problems/print-in-order/">按序打印</a></td>
        <td>58.9%</td>
        <td>简单</td>
        <td>1</td>
        <td>0.293</td>
    </tr>
    <tr>
        <td>247</td>
        <td>119</td>
        <td><a target="_blank" href="https://leetcode-cn.com/problems/pascals-triangle-ii/">杨辉三角 II</a></td>
        <td>59.9%</td>
        <td>简单</td>
        <td>1</td>
        <td>0.155</td>
    </tr>
    <tr>
        <td>248</td>
        <td>281</td>
        <td><a target="_blank" href="https://leetcode-cn.com/problems/zigzag-iterator/">锯齿迭代器</a></td>
        <td>72.0%</td>
        <td>中等</td>
        <td>1</td>
        <td>1.677</td>
    </tr>
    <tr>
        <td>249</td>
        <td>352</td>
        <td><a target="_blank"
               href="https://leetcode-cn.com/problems/data-stream-as-disjoint-intervals/">将数据流变为多个不相交区间</a></td>
        <td>51.4%</td>
        <td>困难</td>
        <td>1</td>
        <td>1.722</td>
    </tr>
    <tr>
        <td>250</td>
        <td>382</td>
        <td><a target="_blank" href="https://leetcode-cn.com/problems/linked-list-random-node/">链表随机节点</a></td>
        <td>54.6%</td>
        <td>中等</td>
        <td>1</td>
        <td>0.939</td>
    </tr>
    <tr>
        <td>251</td>
        <td>687</td>
        <td><a target="_blank" href="https://leetcode-cn.com/problems/longest-univalue-path/">最长同值路径</a></td>
        <td>38.7%</td>
        <td>简单</td>
        <td>1</td>
        <td>0.408</td>
    </tr>
    <tr>
        <td>252</td>
        <td>193</td>
        <td><a target="_blank" href="https://leetcode-cn.com/problems/valid-phone-numbers/">有效电话号码</a></td>
        <td>27.7%</td>
        <td>简单</td>
        <td>1</td>
        <td>0.609</td>
    </tr>
    <tr>
        <td>253</td>
        <td>115</td>
        <td><a target="_blank" href="https://leetcode-cn.com/problems/distinct-subsequences/">不同的子序列</a></td>
        <td>46.9%</td>
        <td>困难</td>
        <td>1</td>
        <td>0.508</td>
    </tr>
    <tr>
        <td>254</td>
        <td>220</td>
        <td><a target="_blank" href="https://leetcode-cn.com/problems/contains-duplicate-iii/">存在重复元素 III</a></td>
        <td>25.9%</td>
        <td>中等</td>
        <td>1</td>
        <td>0.37</td>
    </tr>
    <tr>
        <td>255</td>
        <td>58</td>
        <td><a target="_blank" href="https://leetcode-cn.com/problems/length-of-last-word/">最后一个单词的长度</a></td>
        <td>32.3%</td>
        <td>简单</td>
        <td>1</td>
        <td>0.075</td>
    </tr>
    <tr>
        <td>256</td>
        <td>148</td>
        <td><a target="_blank" href="https://leetcode-cn.com/problems/sort-list/">排序链表</a></td>
        <td>63.7%</td>
        <td>中等</td>
        <td>1</td>
        <td>0.123</td>
    </tr>
    <tr>
        <td>257</td>
        <td>451</td>
        <td><a target="_blank" href="https://leetcode-cn.com/problems/sort-characters-by-frequency/">根据字符出现频率排序</a></td>
        <td>61.7%</td>
        <td>中等</td>
        <td>1</td>
        <td>0.285</td>
    </tr>
    <tr>
        <td>258</td>
        <td>628</td>
        <td><a target="_blank" href="https://leetcode-cn.com/problems/maximum-product-of-three-numbers/">三个数的最大乘积</a>
        </td>
        <td>48.9%</td>
        <td>简单</td>
        <td>1</td>
        <td>0.321</td>
    </tr>
    <tr>
        <td>259</td>
        <td>40</td>
        <td><a target="_blank" href="https://leetcode-cn.com/problems/combination-sum-ii/">组合总和 II</a></td>
        <td>59.9%</td>
        <td>中等</td>
        <td>1</td>
        <td>0.118</td>
    </tr>
    <tr>
        <td>260</td>
        <td>93</td>
        <td><a target="_blank" href="https://leetcode-cn.com/problems/restore-ip-addresses/">复原IP地址</a></td>
        <td>45.6%</td>
        <td>中等</td>
        <td>1</td>
        <td>0.194</td>
    </tr>
    <tr>
        <td>261</td>
        <td>182</td>
        <td><a target="_blank" href="https://leetcode-cn.com/problems/duplicate-emails/">查找重复的电子邮箱</a></td>
        <td>78.0%</td>
        <td>简单</td>
        <td>1</td>
        <td>0.151</td>
    </tr>
    <tr>
        <td>262</td>
        <td>565</td>
        <td><a target="_blank" href="https://leetcode-cn.com/problems/array-nesting/">数组嵌套</a></td>
        <td>55.0%</td>
        <td>中等</td>
        <td>1</td>
        <td>0.73</td>
    </tr>
    <tr>
        <td>263</td>
        <td>63</td>
        <td><a target="_blank" href="https://leetcode-cn.com/problems/unique-paths-ii/">不同路径 II</a></td>
        <td>32.4%</td>
        <td>中等</td>
        <td>1</td>
        <td>0.102</td>
    </tr>
    <tr>
        <td>264</td>
        <td>86</td>
        <td><a target="_blank" href="https://leetcode-cn.com/problems/partition-list/">分隔链表</a></td>
        <td>55.6%</td>
        <td>中等</td>
        <td>1</td>
        <td>0.153</td>
    </tr>
    <tr>
        <td>265</td>
        <td>107</td>
        <td><a target="_blank" href="https://leetcode-cn.com/problems/binary-tree-level-order-traversal-ii/">二叉树的层次遍历
            II</a></td>
        <td>64.1%</td>
        <td>简单</td>
        <td>1</td>
        <td>0.112</td>
    </tr>
    <tr>
        <td>266</td>
        <td>111</td>
        <td><a target="_blank" href="https://leetcode-cn.com/problems/minimum-depth-of-binary-tree/">二叉树的最小深度</a></td>
        <td>41.4%</td>
        <td>简单</td>
        <td>1</td>
        <td>0.089</td>
    </tr>
    <tr>
        <td>267</td>
        <td>117</td>
        <td><a target="_blank" href="https://leetcode-cn.com/problems/populating-next-right-pointers-in-each-node-ii/">填充每个节点的下一个右侧节点指针
            II</a></td>
        <td>44.4%</td>
        <td>中等</td>
        <td>1</td>
        <td>0.275</td>
    </tr>
    <tr>
        <td>268</td>
        <td>184</td>
        <td><a target="_blank" href="https://leetcode-cn.com/problems/department-highest-salary/">部门工资最高的员工</a></td>
        <td>43.7%</td>
        <td>中等</td>
        <td>1</td>
        <td>0.256</td>
    </tr>
    <tr>
        <td>269</td>
        <td>201</td>
        <td><a target="_blank" href="https://leetcode-cn.com/problems/bitwise-and-of-numbers-range/">数字范围按位与</a></td>
        <td>44.7%</td>
        <td>中等</td>
        <td>1</td>
        <td>0.432</td>
    </tr>
    <tr>
        <td>270</td>
        <td>211</td>
        <td><a target="_blank" href="https://leetcode-cn.com/problems/add-and-search-word-data-structure-design/">添加与搜索单词
            - 数据结构设计</a></td>
        <td>42.5%</td>
        <td>中等</td>
        <td>1</td>
        <td>0.442</td>
    </tr>
    <tr>
        <td>271</td>
        <td>219</td>
        <td><a target="_blank" href="https://leetcode-cn.com/problems/contains-duplicate-ii/">存在重复元素 II</a></td>
        <td>37.4%</td>
        <td>简单</td>
        <td>1</td>
        <td>0.134</td>
    </tr>
    <tr>
        <td>272</td>
        <td>223</td>
        <td><a target="_blank" href="https://leetcode-cn.com/problems/rectangle-area/">矩形面积</a></td>
        <td>42.4%</td>
        <td>中等</td>
        <td>1</td>
        <td>0.525</td>
    </tr>
    <tr>
        <td>273</td>
        <td>233</td>
        <td><a target="_blank" href="https://leetcode-cn.com/problems/number-of-digit-one/">数字 1 的个数</a></td>
        <td>32.3%</td>
        <td>困难</td>
        <td>1</td>
        <td>0.602</td>
    </tr>
    <tr>
        <td>274</td>
        <td>282</td>
        <td><a target="_blank" href="https://leetcode-cn.com/problems/expression-add-operators/">给表达式添加运算符</a></td>
        <td>32.0%</td>
        <td>困难</td>
        <td>1</td>
        <td>1.002</td>
    </tr>
    <tr>
        <td>275</td>
        <td>309</td>
        <td><a target="_blank" href="https://leetcode-cn.com/problems/best-time-to-buy-and-sell-stock-with-cooldown/">最佳买卖股票时机含冷冻期</a>
        </td>
        <td>51.2%</td>
        <td>中等</td>
        <td>1</td>
        <td>0.205</td>
    </tr>
    <tr>
        <td>276</td>
        <td>316</td>
        <td><a target="_blank" href="https://leetcode-cn.com/problems/remove-duplicate-letters/">去除重复字母</a></td>
        <td>37.0%</td>
        <td>困难</td>
        <td>1</td>
        <td>0.472</td>
    </tr>
    <tr>
        <td>277</td>
        <td>328</td>
        <td><a target="_blank" href="https://leetcode-cn.com/problems/odd-even-linked-list/">奇偶链表</a></td>
        <td>61.1%</td>
        <td>中等</td>
        <td>1</td>
        <td>0.167</td>
    </tr>
    <tr>
        <td>278</td>
        <td>338</td>
        <td><a target="_blank" href="https://leetcode-cn.com/problems/counting-bits/">比特位计数</a></td>
        <td>74.5%</td>
        <td>中等</td>
        <td>1</td>
        <td>0.174</td>
    </tr>
    <tr>
        <td>279</td>
        <td>343</td>
        <td><a target="_blank" href="https://leetcode-cn.com/problems/integer-break/">整数拆分</a></td>
        <td>54.0%</td>
        <td>中等</td>
        <td>1</td>
        <td>0.293</td>
    </tr>
    <tr>
        <td>280</td>
        <td>353</td>
        <td><a target="_blank" href="https://leetcode-cn.com/problems/design-snake-game/">贪吃蛇</a></td>
        <td>39.7%</td>
        <td>中等</td>
        <td>1</td>
        <td>1.963</td>
    </tr>
    <tr>
        <td>281</td>
        <td>404</td>
        <td><a target="_blank" href="https://leetcode-cn.com/problems/sum-of-left-leaves/">左叶子之和</a></td>
        <td>53.3%</td>
        <td>简单</td>
        <td>1</td>
        <td>0.224</td>
    </tr>
    <tr>
        <td>282</td>
        <td>435</td>
        <td><a target="_blank" href="https://leetcode-cn.com/problems/non-overlapping-intervals/">无重叠区间</a></td>
        <td>44.3%</td>
        <td>中等</td>
        <td>1</td>
        <td>0.375</td>
    </tr>
    <tr>
        <td>283</td>
        <td>437</td>
        <td><a target="_blank" href="https://leetcode-cn.com/problems/path-sum-iii/">路径总和 III</a></td>
        <td>53.8%</td>
        <td>简单</td>
        <td>1</td>
        <td>0.173</td>
    </tr>
    <tr>
        <td>284</td>
        <td>449</td>
        <td><a target="_blank" href="https://leetcode-cn.com/problems/serialize-and-deserialize-bst/">序列化和反序列化二叉搜索树</a>
        </td>
        <td>50.6%</td>
        <td>中等</td>
        <td>1</td>
        <td>0.683</td>
    </tr>
    <tr>
        <td>285</td>
        <td>454</td>
        <td><a target="_blank" href="https://leetcode-cn.com/problems/4sum-ii/">四数相加 II</a></td>
        <td>54.1%</td>
        <td>中等</td>
        <td>1</td>
        <td>0.306</td>
    </tr>
    <tr>
        <td>286</td>
        <td>486</td>
        <td><a target="_blank" href="https://leetcode-cn.com/problems/predict-the-winner/">预测赢家</a></td>
        <td>50.4%</td>
        <td>中等</td>
        <td>1</td>
        <td>0.661</td>
    </tr>
    <tr>
        <td>287</td>
        <td>493</td>
        <td><a target="_blank" href="https://leetcode-cn.com/problems/reverse-pairs/">翻转对</a></td>
        <td>22.4%</td>
        <td>困难</td>
        <td>1</td>
        <td>0.647</td>
    </tr>
    <tr>
        <td>288</td>
        <td>498</td>
        <td><a target="_blank" href="https://leetcode-cn.com/problems/diagonal-traverse/">对角线遍历</a></td>
        <td>39.7%</td>
        <td>中等</td>
        <td>1</td>
        <td>0.386</td>
    </tr>
    <tr>
        <td>289</td>
        <td>503</td>
        <td><a target="_blank" href="https://leetcode-cn.com/problems/next-greater-element-ii/">下一个更大元素 II</a></td>
        <td>52.1%</td>
        <td>中等</td>
        <td>1</td>
        <td>0.341</td>
    </tr>
    <tr>
        <td>290</td>
        <td>549</td>
        <td><a target="_blank" href="https://leetcode-cn.com/problems/binary-tree-longest-consecutive-sequence-ii/">二叉树中最长的连续序列</a>
        </td>
        <td>47.9%</td>
        <td>中等</td>
        <td>1</td>
        <td>2.056</td>
    </tr>
    <tr>
        <td>291</td>
        <td>561</td>
        <td><a target="_blank" href="https://leetcode-cn.com/problems/array-partition-i/">数组拆分 I</a></td>
        <td>69.5%</td>
        <td>简单</td>
        <td>1</td>
        <td>0.194</td>
    </tr>
    <tr>
        <td>292</td>
        <td>609</td>
        <td><a target="_blank" href="https://leetcode-cn.com/problems/find-duplicate-file-in-system/">在系统中查找重复文件</a>
        </td>
        <td>54.9%</td>
        <td>中等</td>
        <td>1</td>
        <td>1.207</td>
    </tr>
    <tr>
        <td>293</td>
        <td>721</td>
        <td><a target="_blank" href="https://leetcode-cn.com/problems/accounts-merge/">账户合并</a></td>
        <td>31.5%</td>
        <td>中等</td>
        <td>1</td>
        <td>0.935</td>
    </tr>
    <tr>
        <td>294</td>
        <td>729</td>
        <td><a target="_blank" href="https://leetcode-cn.com/problems/my-calendar-i/">我的日程安排表 I</a></td>
        <td>44.9%</td>
        <td>中等</td>
        <td>1</td>
        <td>1.15</td>
    </tr>
    <tr>
        <td>295</td>
        <td>741</td>
        <td><a target="_blank" href="https://leetcode-cn.com/problems/cherry-pickup/">摘樱桃</a></td>
        <td>29.9%</td>
        <td>困难</td>
        <td>1</td>
        <td>1.401</td>
    </tr>
    <tr>
        <td>296</td>
        <td>821</td>
        <td><a target="_blank" href="https://leetcode-cn.com/problems/shortest-distance-to-a-character/">字符的最短距离</a>
        </td>
        <td>66.2%</td>
        <td>简单</td>
        <td>1</td>
        <td>0.543</td>
    </tr>
    <tr>
        <td>297</td>
        <td>895</td>
        <td><a target="_blank" href="https://leetcode-cn.com/problems/maximum-frequency-stack/">最大频率栈</a></td>
        <td>45.6%</td>
        <td>困难</td>
        <td>1</td>
        <td>1.357</td>
    </tr>
    <tr>
        <td>298</td>
        <td>911</td>
        <td><a target="_blank" href="https://leetcode-cn.com/problems/online-election/">在线选举</a></td>
        <td>37.3%</td>
        <td>中等</td>
        <td>1</td>
        <td>1.62</td>
    </tr>
    <tr>
        <td>299</td>
        <td>929</td>
        <td><a target="_blank" href="https://leetcode-cn.com/problems/unique-email-addresses/">独特的电子邮件地址</a></td>
        <td>63.9%</td>
        <td>简单</td>
        <td>1</td>
        <td>0.525</td>
    </tr>
    <tr>
        <td>300</td>
        <td>933</td>
        <td><a target="_blank" href="https://leetcode-cn.com/problems/number-of-recent-calls/">最近的请求次数</a></td>
        <td>70.1%</td>
        <td>简单</td>
        <td>1</td>
        <td>0.432</td>
    </tr>
    <tr>
        <td>301</td>
        <td>938</td>
        <td><a target="_blank" href="https://leetcode-cn.com/problems/range-sum-of-bst/">二叉搜索树的范围和</a></td>
        <td>75.9%</td>
        <td>简单</td>
        <td>1</td>
        <td>0.272</td>
    </tr>
    <tr>
        <td>302</td>
        <td>1011</td>
        <td><a target="_blank" href="https://leetcode-cn.com/problems/capacity-to-ship-packages-within-d-days/">在 D
            天内送达包裹的能力</a></td>
        <td>50.2%</td>
        <td>中等</td>
        <td>1</td>
        <td>0.981</td>
    </tr>
    <tr>
        <td>303</td>
        <td>1060</td>
        <td><a target="_blank" href="https://leetcode-cn.com/problems/missing-element-in-sorted-array/">有序数组中的缺失元素</a>
        </td>
        <td>46.6%</td>
        <td>中等</td>
        <td>1</td>
        <td>1.963</td>
    </tr>
    <tr>
        <td>304</td>
        <td>1019</td>
        <td><a target="_blank" href="https://leetcode-cn.com/problems/next-greater-node-in-linked-list/">链表中的下一个更大节点</a>
        </td>
        <td>50.6%</td>
        <td>中等</td>
        <td>1</td>
        <td>0.556</td>
    </tr>
    <tr>
        <td>305</td>
        <td>131</td>
        <td><a target="_blank" href="https://leetcode-cn.com/problems/palindrome-partitioning/">分割回文串</a></td>
        <td>65.1%</td>
        <td>中等</td>
        <td>1</td>
        <td>0.216</td>
    </tr>
    <tr>
        <td>306</td>
        <td>147</td>
        <td><a target="_blank" href="https://leetcode-cn.com/problems/insertion-sort-list/">对链表进行插入排序</a></td>
        <td>62.5%</td>
        <td>中等</td>
        <td>1</td>
        <td>0.225</td>
    </tr>
    <tr>
        <td>307</td>
        <td>180</td>
        <td><a target="_blank" href="https://leetcode-cn.com/problems/consecutive-numbers/">连续出现的数字</a></td>
        <td>48.1%</td>
        <td>中等</td>
        <td>1</td>
        <td>0.284</td>
    </tr>
    <tr>
        <td>308</td>
        <td>186</td>
        <td><a target="_blank" href="https://leetcode-cn.com/problems/reverse-words-in-a-string-ii/">翻转字符串里的单词 II</a>
        </td>
        <td>71.5%</td>
        <td>中等</td>
        <td>1</td>
        <td>0.852</td>
    </tr>
    <tr>
        <td>309</td>
        <td>312</td>
        <td><a target="_blank" href="https://leetcode-cn.com/problems/burst-balloons/">戳气球</a></td>
        <td>57.5%</td>
        <td>困难</td>
        <td>1</td>
        <td>0.431</td>
    </tr>
    <tr>
        <td>310</td>
        <td>369</td>
        <td><a target="_blank" href="https://leetcode-cn.com/problems/plus-one-linked-list/">给单链表加一</a></td>
        <td>59.1%</td>
        <td>中等</td>
        <td>1</td>
        <td>1.336</td>
    </tr>
    <tr>
        <td>311</td>
        <td>516</td>
        <td><a target="_blank" href="https://leetcode-cn.com/problems/longest-palindromic-subsequence/">最长回文子序列</a></td>
        <td>49.9%</td>
        <td>中等</td>
        <td>1</td>
        <td>0.337</td>
    </tr>
    <tr>
        <td>312</td>
        <td>636</td>
        <td><a target="_blank" href="https://leetcode-cn.com/problems/exclusive-time-of-functions/">函数的独占时间</a></td>
        <td>48.5%</td>
        <td>中等</td>
        <td>1</td>
        <td>0.995</td>
    </tr>
    <tr>
        <td>313</td>
        <td>852</td>
        <td><a target="_blank" href="https://leetcode-cn.com/problems/peak-index-in-a-mountain-array/">山脉数组的峰顶索引</a>
        </td>
        <td>69.2%</td>
        <td>简单</td>
        <td>1</td>
        <td>0.362</td>
    </tr>
    <tr>
        <td>314</td>
        <td>518</td>
        <td><a target="_blank" href="https://leetcode-cn.com/problems/coin-change-2/">零钱兑换 II</a></td>
        <td>47.5%</td>
        <td>中等</td>
        <td>1</td>
        <td>0.492</td>
    </tr>
    <tr>
        <td>315</td>
        <td>123</td>
        <td><a target="_blank" href="https://leetcode-cn.com/problems/best-time-to-buy-and-sell-stock-iii/">买卖股票的最佳时机
            III</a></td>
        <td>40.9%</td>
        <td>困难</td>
        <td>1</td>
        <td>0.18</td>
    </tr>
    <tr>
        <td>316</td>
        <td>84</td>
        <td><a target="_blank" href="https://leetcode-cn.com/problems/largest-rectangle-in-histogram/">柱状图中最大的矩形</a>
        </td>
        <td>38.7%</td>
        <td>困难</td>
        <td>1</td>
        <td>0.143</td>
    </tr>
    <tr>
        <td>317</td>
        <td>445</td>
        <td><a target="_blank" href="https://leetcode-cn.com/problems/add-two-numbers-ii/">两数相加 II</a></td>
        <td>53.8%</td>
        <td>中等</td>
        <td>1</td>
        <td>0.24</td>
    </tr>
    <tr>
        <td>318</td>
        <td>669</td>
        <td><a target="_blank" href="https://leetcode-cn.com/problems/trim-a-binary-search-tree/">修剪二叉搜索树</a></td>
        <td>63.8%</td>
        <td>简单</td>
        <td>1</td>
        <td>0.403</td>
    </tr>
    <tr>
        <td>319</td>
        <td>95</td>
        <td><a target="_blank" href="https://leetcode-cn.com/problems/unique-binary-search-trees-ii/">不同的二叉搜索树 II</a>
        </td>
        <td>61.2%</td>
        <td>中等</td>
        <td>1</td>
        <td>0.193</td>
    </tr>
    <tr>
        <td>320</td>
        <td>164</td>
        <td><a target="_blank" href="https://leetcode-cn.com/problems/maximum-gap/">最大间距</a></td>
        <td>54.3%</td>
        <td>困难</td>
        <td>1</td>
        <td>0.494</td>
    </tr>
    <tr>
        <td>321</td>
        <td>213</td>
        <td><a target="_blank" href="https://leetcode-cn.com/problems/house-robber-ii/">打家劫舍 II</a></td>
        <td>36.3%</td>
        <td>中等</td>
        <td>1</td>
        <td>0.165</td>
    </tr>
    <tr>
        <td>322</td>
        <td>278</td>
        <td><a target="_blank" href="https://leetcode-cn.com/problems/first-bad-version/">第一个错误的版本</a></td>
        <td>36.4%</td>
        <td>简单</td>
        <td>1</td>
        <td>0.151</td>
    </tr>
    <tr>
        <td>323</td>
        <td>303</td>
        <td><a target="_blank" href="https://leetcode-cn.com/problems/range-sum-query-immutable/">区域和检索 - 数组不可变</a></td>
        <td>59.5%</td>
        <td>简单</td>
        <td>1</td>
        <td>0.179</td>
    </tr>
    <tr>
        <td>324</td>
        <td>305</td>
        <td><a target="_blank" href="https://leetcode-cn.com/problems/number-of-islands-ii/">岛屿数量 II</a></td>
        <td>31.9%</td>
        <td>困难</td>
        <td>1</td>
        <td>1.466</td>
    </tr>
    <tr>
        <td>325</td>
        <td>357</td>
        <td><a target="_blank"
               href="https://leetcode-cn.com/problems/count-numbers-with-unique-digits/">计算各个位数不同的数字个数</a></td>
        <td>49.9%</td>
        <td>中等</td>
        <td>1</td>
        <td>0.473</td>
    </tr>
    <tr>
        <td>326</td>
        <td>183</td>
        <td><a target="_blank" href="https://leetcode-cn.com/problems/customers-who-never-order/">从不订购的客户</a></td>
        <td>65.3%</td>
        <td>简单</td>
        <td>1</td>
        <td>0.125</td>
    </tr>
    <tr>
        <td>327</td>
        <td>197</td>
        <td><a target="_blank" href="https://leetcode-cn.com/problems/rising-temperature/">上升的温度</a></td>
        <td>49.4%</td>
        <td>简单</td>
        <td>1</td>
        <td>0.177</td>
    </tr>
    <tr>
        <td>328</td>
        <td>458</td>
        <td><a target="_blank" href="https://leetcode-cn.com/problems/poor-pigs/">可怜的小猪</a></td>
        <td>53.8%</td>
        <td>困难</td>
        <td>1</td>
        <td>0.951</td>
    </tr>
    <tr>
        <td>329</td>
        <td>514</td>
        <td><a target="_blank" href="https://leetcode-cn.com/problems/freedom-trail/">自由之路</a></td>
        <td>38.2%</td>
        <td>困难</td>
        <td>1</td>
        <td>1.119</td>
    </tr>
    <tr>
        <td>330</td>
        <td>538</td>
        <td><a target="_blank" href="https://leetcode-cn.com/problems/convert-bst-to-greater-tree/">把二叉搜索树转换为累加树</a>
        </td>
        <td>58.4%</td>
        <td>简单</td>
        <td>1</td>
        <td>0.138</td>
    </tr>
    <tr>
        <td>331</td>
        <td>595</td>
        <td><a target="_blank" href="https://leetcode-cn.com/problems/big-countries/">大的国家</a></td>
        <td>76.6%</td>
        <td>简单</td>
        <td>1</td>
        <td>0.146</td>
    </tr>
    <tr>
        <td>332</td>
        <td>601</td>
        <td><a target="_blank" href="https://leetcode-cn.com/problems/human-traffic-of-stadium/">体育馆的人流量</a></td>
        <td>44.5%</td>
        <td>困难</td>
        <td>1</td>
        <td>0.503</td>
    </tr>
    <tr>
        <td>333</td>
        <td>632</td>
        <td><a target="_blank" href="https://leetcode-cn.com/problems/smallest-range-covering-elements-from-k-lists/">最小区间</a>
        </td>
        <td>33.9%</td>
        <td>困难</td>
        <td>1</td>
        <td>0.904</td>
    </tr>
    <tr>
        <td>334</td>
        <td>665</td>
        <td><a target="_blank" href="https://leetcode-cn.com/problems/non-decreasing-array/">非递减数列</a></td>
        <td>21.5%</td>
        <td>简单</td>
        <td>1</td>
        <td>0.164</td>
    </tr>
    <tr>
        <td>335</td>
        <td>698</td>
        <td><a target="_blank" href="https://leetcode-cn.com/problems/partition-to-k-equal-sum-subsets/">划分为k个相等的子集</a>
        </td>
        <td>40.4%</td>
        <td>中等</td>
        <td>1</td>
        <td>0.369</td>
    </tr>
    <tr>
        <td>336</td>
        <td>718</td>
        <td><a target="_blank" href="https://leetcode-cn.com/problems/maximum-length-of-repeated-subarray/">最长重复子数组</a>
        </td>
        <td>48.4%</td>
        <td>中等</td>
        <td>1</td>
        <td>0.338</td>
    </tr>
    <tr>
        <td>337</td>
        <td>746</td>
        <td><a target="_blank" href="https://leetcode-cn.com/problems/min-cost-climbing-stairs/">使用最小花费爬楼梯</a></td>
        <td>46.5%</td>
        <td>简单</td>
        <td>1</td>
        <td>0.144</td>
    </tr>
    <tr>
        <td>338</td>
        <td>901</td>
        <td><a target="_blank" href="https://leetcode-cn.com/problems/online-stock-span/">股票价格跨度</a></td>
        <td>38.0%</td>
        <td>中等</td>
        <td>1</td>
        <td>0.781</td>
    </tr>
    <tr>
        <td>339</td>
        <td>368</td>
        <td><a target="_blank" href="https://leetcode-cn.com/problems/largest-divisible-subset/">最大整除子集</a></td>
        <td>36.3%</td>
        <td>中等</td>
        <td>1</td>
        <td>0.455</td>
    </tr>
    <tr>
        <td>340</td>
        <td>257</td>
        <td><a target="_blank" href="https://leetcode-cn.com/problems/binary-tree-paths/">二叉树的所有路径</a></td>
        <td>61.9%</td>
        <td>简单</td>
        <td>1</td>
        <td>0.117</td>
    </tr>
    <tr>
        <td>341</td>
        <td>996</td>
        <td><a target="_blank" href="https://leetcode-cn.com/problems/number-of-squareful-arrays/">正方形数组的数目</a></td>
        <td>43.2%</td>
        <td>困难</td>
        <td>1</td>
        <td>1.194</td>
    </tr>
    <tr>
        <td>342</td>
        <td>52</td>
        <td><a target="_blank" href="https://leetcode-cn.com/problems/n-queens-ii/">N皇后 II</a></td>
        <td>77.2%</td>
        <td>困难</td>
        <td>1</td>
        <td>0.17</td>
    </tr>
    <tr>
        <td>343</td>
        <td>66</td>
        <td><a target="_blank" href="https://leetcode-cn.com/problems/plus-one/">加一</a></td>
        <td>42.9%</td>
        <td>简单</td>
        <td>1</td>
        <td>0.034</td>
    </tr>
    <tr>
        <td>344</td>
        <td>71</td>
        <td><a target="_blank" href="https://leetcode-cn.com/problems/simplify-path/">简化路径</a></td>
        <td>38.8%</td>
        <td>中等</td>
        <td>1</td>
        <td>0.102</td>
    </tr>
    <tr>
        <td>345</td>
        <td>96</td>
        <td><a target="_blank" href="https://leetcode-cn.com/problems/unique-binary-search-trees/">不同的二叉搜索树</a></td>
        <td>64.6%</td>
        <td>中等</td>
        <td>1</td>
        <td>0.085</td>
    </tr>
    <tr>
        <td>346</td>
        <td>126</td>
        <td><a target="_blank" href="https://leetcode-cn.com/problems/word-ladder-ii/">单词接龙 II</a></td>
        <td>31.2%</td>
        <td>困难</td>
        <td>1</td>
        <td>0.377</td>
    </tr>
    <tr>
        <td>347</td>
        <td>128</td>
        <td><a target="_blank" href="https://leetcode-cn.com/problems/longest-consecutive-sequence/">最长连续序列</a></td>
        <td>47.6%</td>
        <td>困难</td>
        <td>1</td>
        <td>0.133</td>
    </tr>
    <tr>
        <td>348</td>
        <td>137</td>
        <td><a target="_blank" href="https://leetcode-cn.com/problems/single-number-ii/">只出现一次的数字 II</a></td>
        <td>65.5%</td>
        <td>中等</td>
        <td>1</td>
        <td>0.157</td>
    </tr>
    <tr>
        <td>349</td>
        <td>150</td>
        <td><a target="_blank" href="https://leetcode-cn.com/problems/evaluate-reverse-polish-notation/">逆波兰表达式求值</a>
        </td>
        <td>49.0%</td>
        <td>中等</td>
        <td>1</td>
        <td>0.107</td>
    </tr>
    <tr>
        <td>350</td>
        <td>166</td>
        <td><a target="_blank" href="https://leetcode-cn.com/problems/fraction-to-recurring-decimal/">分数到小数</a></td>
        <td>25.6%</td>
        <td>中等</td>
        <td>1</td>
        <td>0.281</td>
    </tr>
    <tr>
        <td>351</td>
        <td>226</td>
        <td><a target="_blank" href="https://leetcode-cn.com/problems/invert-binary-tree/">翻转二叉树</a></td>
        <td>73.7%</td>
        <td>简单</td>
        <td>1</td>
        <td>0.055</td>
    </tr>
    <tr>
        <td>352</td>
        <td>256</td>
        <td><a target="_blank" href="https://leetcode-cn.com/problems/paint-house/">粉刷房子</a></td>
        <td>57.1%</td>
        <td>简单</td>
        <td>1</td>
        <td>0.551</td>
    </tr>
    <tr>
        <td>353</td>
        <td>271</td>
        <td><a target="_blank" href="https://leetcode-cn.com/problems/encode-and-decode-strings/">字符串的编码与解码</a></td>
        <td>50.2%</td>
        <td>中等</td>
        <td>1</td>
        <td>1.253</td>
    </tr>
    <tr>
        <td>354</td>
        <td>287</td>
        <td><a target="_blank" href="https://leetcode-cn.com/problems/find-the-duplicate-number/">寻找重复数</a></td>
        <td>62.8%</td>
        <td>中等</td>
        <td>1</td>
        <td>0.089</td>
    </tr>
    <tr>
        <td>355</td>
        <td>345</td>
        <td><a target="_blank" href="https://leetcode-cn.com/problems/reverse-vowels-of-a-string/">反转字符串中的元音字母</a></td>
        <td>49.0%</td>
        <td>简单</td>
        <td>1</td>
        <td>0.115</td>
    </tr>
    <tr>
        <td>356</td>
        <td>356</td>
        <td><a target="_blank" href="https://leetcode-cn.com/problems/line-reflection/">直线镜像</a></td>
        <td>28.5%</td>
        <td>中等</td>
        <td>1</td>
        <td>1.534</td>
    </tr>
    <tr>
        <td>357</td>
        <td>359</td>
        <td><a target="_blank" href="https://leetcode-cn.com/problems/logger-rate-limiter/">日志速率限制器</a></td>
        <td>68.3%</td>
        <td>简单</td>
        <td>1</td>
        <td>0.756</td>
    </tr>
    <tr>
        <td>358</td>
        <td>373</td>
        <td><a target="_blank" href="https://leetcode-cn.com/problems/find-k-pairs-with-smallest-sums/">查找和最小的K对数字</a>
        </td>
        <td>40.5%</td>
        <td>中等</td>
        <td>1</td>
        <td>0.445</td>
    </tr>
    <tr>
        <td>359</td>
        <td>374</td>
        <td><a target="_blank" href="https://leetcode-cn.com/problems/guess-number-higher-or-lower/">猜数字大小</a></td>
        <td>42.6%</td>
        <td>简单</td>
        <td>1</td>
        <td>0.178</td>
    </tr>
    <tr>
        <td>360</td>
        <td>385</td>
        <td><a target="_blank" href="https://leetcode-cn.com/problems/mini-parser/">迷你语法分析器</a></td>
        <td>40.2%</td>
        <td>中等</td>
        <td>1</td>
        <td>0.725</td>
    </tr>
    <tr>
        <td>361</td>
        <td>401</td>
        <td><a target="_blank" href="https://leetcode-cn.com/problems/binary-watch/">二进制手表</a></td>
        <td>51.5%</td>
        <td>简单</td>
        <td>1</td>
        <td>0.283</td>
    </tr>
    <tr>
        <td>362</td>
        <td>407</td>
        <td><a target="_blank" href="https://leetcode-cn.com/problems/trapping-rain-water-ii/">接雨水 II</a></td>
        <td>34.4%</td>
        <td>困难</td>
        <td>1</td>
        <td>0.676</td>
    </tr>
    <tr>
        <td>363</td>
        <td>442</td>
        <td><a target="_blank" href="https://leetcode-cn.com/problems/find-all-duplicates-in-an-array/">数组中重复的数据</a>
        </td>
        <td>63.4%</td>
        <td>中等</td>
        <td>1</td>
        <td>0.253</td>
    </tr>
    <tr>
        <td>364</td>
        <td>466</td>
        <td><a target="_blank" href="https://leetcode-cn.com/problems/count-the-repetitions/">统计重复个数</a></td>
        <td>30.0%</td>
        <td>困难</td>
        <td>1</td>
        <td>1.319</td>
    </tr>
    <tr>
        <td>365</td>
        <td>515</td>
        <td><a target="_blank"
               href="https://leetcode-cn.com/problems/find-largest-value-in-each-tree-row/">在每个树行中找最大值</a></td>
        <td>58.3%</td>
        <td>中等</td>
        <td>1</td>
        <td>0.32</td>
    </tr>
    <tr>
        <td>366</td>
        <td>530</td>
        <td><a target="_blank"
               href="https://leetcode-cn.com/problems/minimum-absolute-difference-in-bst/">二叉搜索树的最小绝对差</a></td>
        <td>55.3%</td>
        <td>简单</td>
        <td>1</td>
        <td>0.251</td>
    </tr>
    <tr>
        <td>367</td>
        <td>540</td>
        <td><a target="_blank" href="https://leetcode-cn.com/problems/single-element-in-a-sorted-array/">有序数组中的单一元素</a>
        </td>
        <td>60.0%</td>
        <td>中等</td>
        <td>1</td>
        <td>0.352</td>
    </tr>
    <tr>
        <td>368</td>
        <td>556</td>
        <td><a target="_blank" href="https://leetcode-cn.com/problems/next-greater-element-iii/">下一个更大元素 III</a></td>
        <td>29.4%</td>
        <td>中等</td>
        <td>1</td>
        <td>0.577</td>
    </tr>
    <tr>
        <td>369</td>
        <td>582</td>
        <td><a target="_blank" href="https://leetcode-cn.com/problems/kill-process/">杀死进程</a></td>
        <td>33.6%</td>
        <td>中等</td>
        <td>1</td>
        <td>0.778</td>
    </tr>
    <tr>
        <td>370</td>
        <td>588</td>
        <td><a target="_blank" href="https://leetcode-cn.com/problems/design-in-memory-file-system/">设计内存文件系统</a></td>
        <td>34.6%</td>
        <td>困难</td>
        <td>1</td>
        <td>2.037</td>
    </tr>
    <tr>
        <td>371</td>
        <td>617</td>
        <td><a target="_blank" href="https://leetcode-cn.com/problems/merge-two-binary-trees/">合并二叉树</a></td>
        <td>74.7%</td>
        <td>简单</td>
        <td>1</td>
        <td>0.088</td>
    </tr>
    <tr>
        <td>372</td>
        <td>642</td>
        <td><a target="_blank" href="https://leetcode-cn.com/problems/design-search-autocomplete-system/">设计搜索自动补全系统</a>
        </td>
        <td>40.3%</td>
        <td>困难</td>
        <td>1</td>
        <td>1.394</td>
    </tr>
    <tr>
        <td>373</td>
        <td>658</td>
        <td><a target="_blank" href="https://leetcode-cn.com/problems/find-k-closest-elements/">找到 K 个最接近的元素</a></td>
        <td>42.4%</td>
        <td>中等</td>
        <td>1</td>
        <td>0.478</td>
    </tr>
    <tr>
        <td>374</td>
        <td>661</td>
        <td><a target="_blank" href="https://leetcode-cn.com/problems/image-smoother/">图片平滑器</a></td>
        <td>52.2%</td>
        <td>简单</td>
        <td>1</td>
        <td>0.406</td>
    </tr>
    <tr>
        <td>375</td>
        <td>674</td>
        <td><a target="_blank" href="https://leetcode-cn.com/problems/longest-continuous-increasing-subsequence/">最长连续递增序列</a>
        </td>
        <td>43.8%</td>
        <td>简单</td>
        <td>1</td>
        <td>0.201</td>
    </tr>
    <tr>
        <td>376</td>
        <td>686</td>
        <td><a target="_blank" href="https://leetcode-cn.com/problems/repeated-string-match/">重复叠加字符串匹配</a></td>
        <td>33.3%</td>
        <td>简单</td>
        <td>1</td>
        <td>0.392</td>
    </tr>
    <tr>
        <td>377</td>
        <td>427</td>
        <td><a target="_blank" href="https://leetcode-cn.com/problems/construct-quad-tree/">建立四叉树</a></td>
        <td>57.0%</td>
        <td>中等</td>
        <td>1</td>
        <td>1.186</td>
    </tr>
    <tr>
        <td>378</td>
        <td>589</td>
        <td><a target="_blank" href="https://leetcode-cn.com/problems/n-ary-tree-preorder-traversal/">N叉树的前序遍历</a></td>
        <td>71.9%</td>
        <td>简单</td>
        <td>1</td>
        <td>0.185</td>
    </tr>
    <tr>
        <td>379</td>
        <td>590</td>
        <td><a target="_blank" href="https://leetcode-cn.com/problems/n-ary-tree-postorder-traversal/">N叉树的后序遍历</a></td>
        <td>72.0%</td>
        <td>简单</td>
        <td>1</td>
        <td>0.199</td>
    </tr>
    <tr>
        <td>380</td>
        <td>772</td>
        <td><a target="_blank" href="https://leetcode-cn.com/problems/basic-calculator-iii/">基本计算器 III</a></td>
        <td>31.6%</td>
        <td>困难</td>
        <td>1</td>
        <td>1.466</td>
    </tr>
    <tr>
        <td>381</td>
        <td>784</td>
        <td><a target="_blank" href="https://leetcode-cn.com/problems/letter-case-permutation/">字母大小写全排列</a></td>
        <td>62.4%</td>
        <td>简单</td>
        <td>1</td>
        <td>0.245</td>
    </tr>
    <tr>
        <td>382</td>
        <td>788</td>
        <td><a target="_blank" href="https://leetcode-cn.com/problems/rotated-digits/">旋转数字</a></td>
        <td>58.8%</td>
        <td>简单</td>
        <td>1</td>
        <td>0.422</td>
    </tr>
    <tr>
        <td>383</td>
        <td>804</td>
        <td><a target="_blank" href="https://leetcode-cn.com/problems/unique-morse-code-words/">唯一摩尔斯密码词</a></td>
        <td>74.0%</td>
        <td>简单</td>
        <td>1</td>
        <td>0.24</td>
    </tr>
    <tr>
        <td>384</td>
        <td>805</td>
        <td><a target="_blank" href="https://leetcode-cn.com/problems/split-array-with-same-average/">数组的均值分割</a></td>
        <td>24.7%</td>
        <td>困难</td>
        <td>1</td>
        <td>1.609</td>
    </tr>
    <tr>
        <td>385</td>
        <td>807</td>
        <td><a target="_blank" href="https://leetcode-cn.com/problems/max-increase-to-keep-city-skyline/">保持城市天际线</a>
        </td>
        <td>80.1%</td>
        <td>中等</td>
        <td>1</td>
        <td>0.52</td>
    </tr>
    <tr>
        <td>386</td>
        <td>811</td>
        <td><a target="_blank" href="https://leetcode-cn.com/problems/subdomain-visit-count/">子域名访问计数</a></td>
        <td>66.1%</td>
        <td>简单</td>
        <td>1</td>
        <td>0.487</td>
    </tr>
    <tr>
        <td>387</td>
        <td>836</td>
        <td><a target="_blank" href="https://leetcode-cn.com/problems/rectangle-overlap/">矩形重叠</a></td>
        <td>45.2%</td>
        <td>简单</td>
        <td>1</td>
        <td>0.44</td>
    </tr>
    <tr>
        <td>388</td>
        <td>876</td>
        <td><a target="_blank" href="https://leetcode-cn.com/problems/middle-of-the-linked-list/">链表的中间结点</a></td>
        <td>64.6%</td>
        <td>简单</td>
        <td>1</td>
        <td>0.126</td>
    </tr>
    <tr>
        <td>389</td>
        <td>890</td>
        <td><a target="_blank" href="https://leetcode-cn.com/problems/find-and-replace-pattern/">查找和替换模式</a></td>
        <td>69.7%</td>
        <td>中等</td>
        <td>1</td>
        <td>0.653</td>
    </tr>
    <tr>
        <td>390</td>
        <td>907</td>
        <td><a target="_blank" href="https://leetcode-cn.com/problems/sum-of-subarray-minimums/">子数组的最小值之和</a></td>
        <td>27.3%</td>
        <td>中等</td>
        <td>1</td>
        <td>0.61</td>
    </tr>
    <tr>
        <td>391</td>
        <td>909</td>
        <td><a target="_blank" href="https://leetcode-cn.com/problems/snakes-and-ladders/">蛇梯棋</a></td>
        <td>29.2%</td>
        <td>中等</td>
        <td>1</td>
        <td>1.092</td>
    </tr>
    <tr>
        <td>392</td>
        <td>937</td>
        <td><a target="_blank" href="https://leetcode-cn.com/problems/reorder-data-in-log-files/">重新排列日志文件</a></td>
        <td>51.5%</td>
        <td>简单</td>
        <td>1</td>
        <td>0.636</td>
    </tr>
    <tr>
        <td>393</td>
        <td>950</td>
        <td><a target="_blank" href="https://leetcode-cn.com/problems/reveal-cards-in-increasing-order/">按递增顺序显示卡牌</a>
        </td>
        <td>75.5%</td>
        <td>中等</td>
        <td>1</td>
        <td>0.649</td>
    </tr>
    <tr>
        <td>394</td>
        <td>961</td>
        <td><a target="_blank" href="https://leetcode-cn.com/problems/n-repeated-element-in-size-2n-array/">重复 N
            次的元素</a></td>
        <td>66.1%</td>
        <td>简单</td>
        <td>1</td>
        <td>0.27</td>
    </tr>
    <tr>
        <td>395</td>
        <td>981</td>
        <td><a target="_blank" href="https://leetcode-cn.com/problems/time-based-key-value-store/">基于时间的键值存储</a></td>
        <td>35.6%</td>
        <td>中等</td>
        <td>1</td>
        <td>1.03</td>
    </tr>
    <tr>
        <td>396</td>
        <td>1021</td>
        <td><a target="_blank" href="https://leetcode-cn.com/problems/remove-outermost-parentheses/">删除最外层的括号</a></td>
        <td>76.0%</td>
        <td>简单</td>
        <td>1</td>
        <td>0.181</td>
    </tr>
    <tr>
        <td>397</td>
        <td>1031</td>
        <td><a target="_blank" href="https://leetcode-cn.com/problems/maximum-sum-of-two-non-overlapping-subarrays/">两个非重叠子数组的最大和</a>
        </td>
        <td>49.8%</td>
        <td>中等</td>
        <td>1</td>
        <td>1.025</td>
    </tr>
    <tr>
        <td>398</td>
        <td>1038</td>
        <td><a target="_blank" href="https://leetcode-cn.com/problems/binary-search-tree-to-greater-sum-tree/">从二叉搜索树到更大和树</a>
        </td>
        <td>72.3%</td>
        <td>中等</td>
        <td>1</td>
        <td>0.351</td>
    </tr>
    <tr>
        <td>399</td>
        <td>1044</td>
        <td><a target="_blank" href="https://leetcode-cn.com/problems/longest-duplicate-substring/">最长重复子串</a></td>
        <td>15.8%</td>
        <td>困难</td>
        <td>1</td>
        <td>0.765</td>
    </tr>
    <tr>
        <td>400</td>
        <td>1094</td>
        <td><a target="_blank" href="https://leetcode-cn.com/problems/car-pooling/">拼车</a></td>
        <td>52.1%</td>
        <td>中等</td>
        <td>1</td>
        <td>0.556</td>
    </tr>
    <tr>
        <td>401</td>
        <td>187</td>
        <td><a target="_blank" href="https://leetcode-cn.com/problems/repeated-dna-sequences/">重复的DNA序列</a></td>
        <td>43.5%</td>
        <td>中等</td>
        <td>1</td>
        <td>0.25</td>
    </tr>
    <tr>
        <td>402</td>
        <td>260</td>
        <td><a target="_blank" href="https://leetcode-cn.com/problems/single-number-iii/">只出现一次的数字 III</a></td>
        <td>69.5%</td>
        <td>中等</td>
        <td>1</td>
        <td>0.198</td>
    </tr>
    <tr>
        <td>403</td>
        <td>289</td>
        <td><a target="_blank" href="https://leetcode-cn.com/problems/game-of-life/">生命游戏</a></td>
        <td>68.6%</td>
        <td>中等</td>
        <td>1</td>
        <td>0.23</td>
    </tr>
    <tr>
        <td>404</td>
        <td>337</td>
        <td><a target="_blank" href="https://leetcode-cn.com/problems/house-robber-iii/">打家劫舍 III</a></td>
        <td>55.6%</td>
        <td>中等</td>
        <td>1</td>
        <td>0.148</td>
    </tr>
    <tr>
        <td>405</td>
        <td>339</td>
        <td><a target="_blank" href="https://leetcode-cn.com/problems/nested-list-weight-sum/">嵌套列表权重和</a></td>
        <td>79.8%</td>
        <td>简单</td>
        <td>1</td>
        <td>0.887</td>
    </tr>
    <tr>
        <td>406</td>
        <td>736</td>
        <td><a target="_blank" href="https://leetcode-cn.com/problems/parse-lisp-expression/">Lisp 语法解析</a></td>
        <td>42.7%</td>
        <td>困难</td>
        <td>1</td>
        <td>2.066</td>
    </tr>
    <tr>
        <td>407</td>
        <td>867</td>
        <td><a target="_blank" href="https://leetcode-cn.com/problems/transpose-matrix/">转置矩阵</a></td>
        <td>66.9%</td>
        <td>简单</td>
        <td>1</td>
        <td>0.274</td>
    </tr>
    <tr>
        <td>408</td>
        <td>417</td>
        <td><a target="_blank" href="https://leetcode-cn.com/problems/pacific-atlantic-water-flow/">太平洋大西洋水流问题</a></td>
        <td>39.9%</td>
        <td>中等</td>
        <td>1</td>
        <td>0.448</td>
    </tr>
    <tr>
        <td>409</td>
        <td>700</td>
        <td><a target="_blank" href="https://leetcode-cn.com/problems/search-in-a-binary-search-tree/">二叉搜索树中的搜索</a>
        </td>
        <td>71.9%</td>
        <td>简单</td>
        <td>1</td>
        <td>0.179</td>
    </tr>
    <tr>
        <td>410</td>
        <td>539</td>
        <td><a target="_blank" href="https://leetcode-cn.com/problems/minimum-time-difference/">最小时间差</a></td>
        <td>53.0%</td>
        <td>中等</td>
        <td>1</td>
        <td>0.54</td>
    </tr>
    <tr>
        <td>411</td>
        <td>1278</td>
        <td><a target="_blank" href="https://leetcode-cn.com/problems/palindrome-partitioning-iii/">分割回文串 III</a></td>
        <td>54.1%</td>
        <td>困难</td>
        <td>1</td>
        <td>1.218</td>
    </tr>
    <tr>
        <td>412</td>
        <td>1252</td>
        <td><a target="_blank" href="https://leetcode-cn.com/problems/cells-with-odd-values-in-a-matrix/">奇数值单元格的数目</a>
        </td>
        <td>75.0%</td>
        <td>简单</td>
        <td>1</td>
        <td>0.269</td>
    </tr>
    <tr>
        <td>413</td>
        <td>85</td>
        <td><a target="_blank" href="https://leetcode-cn.com/problems/maximal-rectangle/">最大矩形</a></td>
        <td>44.3%</td>
        <td>困难</td>
        <td>1</td>
        <td>0.151</td>
    </tr>
    <tr>
        <td>414</td>
        <td>47</td>
        <td><a target="_blank" href="https://leetcode-cn.com/problems/permutations-ii/">全排列 II</a></td>
        <td>56.8%</td>
        <td>中等</td>
        <td>1</td>
        <td>0.085</td>
    </tr>
    <tr>
        <td>415</td>
        <td>82</td>
        <td><a target="_blank" href="https://leetcode-cn.com/problems/remove-duplicates-from-sorted-list-ii/">删除排序链表中的重复元素
            II</a></td>
        <td>45.7%</td>
        <td>中等</td>
        <td>1</td>
        <td>0.095</td>
    </tr>
    <tr>
        <td>416</td>
        <td>106</td>
        <td><a target="_blank"
               href="https://leetcode-cn.com/problems/construct-binary-tree-from-inorder-and-postorder-traversal/">从中序与后序遍历序列构造二叉树</a>
        </td>
        <td>66.7%</td>
        <td>中等</td>
        <td>1</td>
        <td>0.12</td>
    </tr>
    <tr>
        <td>417</td>
        <td>154</td>
        <td><a target="_blank" href="https://leetcode-cn.com/problems/find-minimum-in-rotated-sorted-array-ii/">寻找旋转排序数组中的最小值
            II</a></td>
        <td>46.1%</td>
        <td>困难</td>
        <td>1</td>
        <td>0.208</td>
    </tr>
    <tr>
        <td>418</td>
        <td>157</td>
        <td><a target="_blank" href="https://leetcode-cn.com/problems/read-n-characters-given-read4/">用 Read4 读取 N
            个字符</a></td>
        <td>51.4%</td>
        <td>简单</td>
        <td>1</td>
        <td>0.787</td>
    </tr>
    <tr>
        <td>419</td>
        <td>241</td>
        <td><a target="_blank"
               href="https://leetcode-cn.com/problems/different-ways-to-add-parentheses/">为运算表达式设计优先级</a></td>
        <td>70.3%</td>
        <td>中等</td>
        <td>1</td>
        <td>0.311</td>
    </tr>
    <tr>
        <td>420</td>
        <td>314</td>
        <td><a target="_blank"
               href="https://leetcode-cn.com/problems/binary-tree-vertical-order-traversal/">二叉树的垂直遍历</a></td>
        <td>52.3%</td>
        <td>中等</td>
        <td>1</td>
        <td>1.036</td>
    </tr>
    <tr>
        <td>421</td>
        <td>321</td>
        <td><a target="_blank" href="https://leetcode-cn.com/problems/create-maximum-number/">拼接最大数</a></td>
        <td>26.8%</td>
        <td>困难</td>
        <td>1</td>
        <td>0.696</td>
    </tr>
    <tr>
        <td>422</td>
        <td>331</td>
        <td><a target="_blank" href="https://leetcode-cn.com/problems/verify-preorder-serialization-of-a-binary-tree/">验证二叉树的前序序列化</a>
        </td>
        <td>43.8%</td>
        <td>中等</td>
        <td>1</td>
        <td>0.488</td>
    </tr>
    <tr>
        <td>423</td>
        <td>395</td>
        <td><a target="_blank"
               href="https://leetcode-cn.com/problems/longest-substring-with-at-least-k-repeating-characters/">至少有K个重复字符的最长子串</a>
        </td>
        <td>41.4%</td>
        <td>中等</td>
        <td>1</td>
        <td>0.36</td>
    </tr>
    <tr>
        <td>424</td>
        <td>399</td>
        <td><a target="_blank" href="https://leetcode-cn.com/problems/evaluate-division/">除法求值</a></td>
        <td>53.7%</td>
        <td>中等</td>
        <td>1</td>
        <td>0.37</td>
    </tr>
    <tr>
        <td>425</td>
        <td>402</td>
        <td><a target="_blank" href="https://leetcode-cn.com/problems/remove-k-digits/">移掉K位数字</a></td>
        <td>27.8%</td>
        <td>中等</td>
        <td>1</td>
        <td>0.234</td>
    </tr>
    <tr>
        <td>426</td>
        <td>494</td>
        <td><a target="_blank" href="https://leetcode-cn.com/problems/target-sum/">目标和</a></td>
        <td>43.2%</td>
        <td>中等</td>
        <td>1</td>
        <td>0.167</td>
    </tr>
    <tr>
        <td>427</td>
        <td>535</td>
        <td><a target="_blank" href="https://leetcode-cn.com/problems/encode-and-decode-tinyurl/">TinyURL 的加密与解密</a>
        </td>
        <td>81.0%</td>
        <td>中等</td>
        <td>1</td>
        <td>0.447</td>
    </tr>
    <tr>
        <td>428</td>
        <td>567</td>
        <td><a target="_blank" href="https://leetcode-cn.com/problems/permutation-in-string/">字符串的排列</a></td>
        <td>33.8%</td>
        <td>中等</td>
        <td>1</td>
        <td>0.201</td>
    </tr>
    <tr>
        <td>429</td>
        <td>655</td>
        <td><a target="_blank" href="https://leetcode-cn.com/problems/print-binary-tree/">输出二叉树</a></td>
        <td>53.7%</td>
        <td>中等</td>
        <td>1</td>
        <td>0.733</td>
    </tr>
    <tr>
        <td>430</td>
        <td>737</td>
        <td><a target="_blank" href="https://leetcode-cn.com/problems/sentence-similarity-ii/">句子相似性 II</a></td>
        <td>38.3%</td>
        <td>中等</td>
        <td>1</td>
        <td>1.493</td>
    </tr>
    <tr>
        <td>431</td>
        <td>787</td>
        <td><a target="_blank" href="https://leetcode-cn.com/problems/cheapest-flights-within-k-stops/">K 站中转内最便宜的航班</a>
        </td>
        <td>35.3%</td>
        <td>中等</td>
        <td>1</td>
        <td>0.514</td>
    </tr>
    <tr>
        <td>432</td>
        <td>969</td>
        <td><a target="_blank" href="https://leetcode-cn.com/problems/pancake-sorting/">煎饼排序</a></td>
        <td>62.4%</td>
        <td>中等</td>
        <td>1</td>
        <td>0.671</td>
    </tr>
    <tr>
        <td>433</td>
        <td>1226</td>
        <td><a target="_blank" href="https://leetcode-cn.com/problems/the-dining-philosophers/">哲学家进餐</a></td>
        <td>52.5%</td>
        <td>中等</td>
        <td>1</td>
        <td>0.84</td>
    </tr>
    <tr>
        <td>434</td>
        <td>1140</td>
        <td><a target="_blank" href="https://leetcode-cn.com/problems/stone-game-ii/">石子游戏 II</a></td>
        <td>57.6%</td>
        <td>中等</td>
        <td>1</td>
        <td>1.194</td>
    </tr>
    <tr>
        <td>435</td>
        <td>1302</td>
        <td><a target="_blank" href="https://leetcode-cn.com/problems/deepest-leaves-sum/">层数最深叶子节点的和</a></td>
        <td>80.5%</td>
        <td>中等</td>
        <td>1</td>
        <td>0.229</td>
    </tr>
    <tr>
        <td>436</td>
        <td>185</td>
        <td><a target="_blank" href="https://leetcode-cn.com/problems/department-top-three-salaries/">部门工资前三高的所有员工</a>
        </td>
        <td>41.7%</td>
        <td>困难</td>
        <td>1</td>
        <td>0.147</td>
    </tr>
    <tr>
        <td>437</td>
        <td>365</td>
        <td><a target="_blank" href="https://leetcode-cn.com/problems/water-and-jug-problem/">水壶问题</a></td>
        <td>29.8%</td>
        <td>中等</td>
        <td>1</td>
        <td>0.258</td>
    </tr>
    <tr>
        <td>438</td>
        <td>432</td>
        <td><a target="_blank" href="https://leetcode-cn.com/problems/all-oone-data-structure/">全 O(1) 的数据结构</a></td>
        <td>34.3%</td>
        <td>困难</td>
        <td>1</td>
        <td>0.567</td>
    </tr>
    <tr>
        <td>439</td>
        <td>455</td>
        <td><a target="_blank" href="https://leetcode-cn.com/problems/assign-cookies/">分发饼干</a></td>
        <td>52.8%</td>
        <td>简单</td>
        <td>1</td>
        <td>0.061</td>
    </tr>
    <tr>
        <td>440</td>
        <td>564</td>
        <td><a target="_blank" href="https://leetcode-cn.com/problems/find-the-closest-palindrome/">寻找最近的回文数</a></td>
        <td>13.9%</td>
        <td>困难</td>
        <td>1</td>
        <td>0.584</td>
    </tr>
    <tr>
        <td>441</td>
        <td>605</td>
        <td><a target="_blank" href="https://leetcode-cn.com/problems/can-place-flowers/">种花问题</a></td>
        <td>31.1%</td>
        <td>简单</td>
        <td>1</td>
        <td>0.092</td>
    </tr>
    <tr>
        <td>442</td>
        <td>679</td>
        <td><a target="_blank" href="https://leetcode-cn.com/problems/24-game/">24 点游戏</a></td>
        <td>40.8%</td>
        <td>困难</td>
        <td>1</td>
        <td>0.414</td>
    </tr>
    <tr>
        <td>443</td>
        <td>754</td>
        <td><a target="_blank" href="https://leetcode-cn.com/problems/reach-a-number/">到达终点数字</a></td>
        <td>39.2%</td>
        <td>中等</td>
        <td>1</td>
        <td>0.519</td>
    </tr>
    <tr>
        <td>444</td>
        <td>773</td>
        <td><a target="_blank" href="https://leetcode-cn.com/problems/sliding-puzzle/">滑动谜题</a></td>
        <td>57.0%</td>
        <td>困难</td>
        <td>1</td>
        <td>0.588</td>
    </tr>
    <tr>
        <td>445</td>
        <td>799</td>
        <td><a target="_blank" href="https://leetcode-cn.com/problems/champagne-tower/">香槟塔</a></td>
        <td>34.6%</td>
        <td>中等</td>
        <td>1</td>
        <td>0.602</td>
    </tr>
    <tr>
        <td>446</td>
        <td>837</td>
        <td><a target="_blank" href="https://leetcode-cn.com/problems/new-21-game/">新21点</a></td>
        <td>25.3%</td>
        <td>中等</td>
        <td>1</td>
        <td>0.747</td>
    </tr>
    <tr>
        <td>447</td>
        <td>908</td>
        <td><a target="_blank" href="https://leetcode-cn.com/problems/smallest-range-i/">最小差值 I</a></td>
        <td>67.4%</td>
        <td>简单</td>
        <td>1</td>
        <td>0.221</td>
    </tr>
    <tr>
        <td>448</td>
        <td>881</td>
        <td><a target="_blank" href="https://leetcode-cn.com/problems/boats-to-save-people/">救生艇</a></td>
        <td>39.6%</td>
        <td>中等</td>
        <td>1</td>
        <td>0.334</td>
    </tr>
    <tr>
        <td>449</td>
        <td>129</td>
        <td><a target="_blank" href="https://leetcode-cn.com/problems/sum-root-to-leaf-numbers/">求根到叶子节点数字之和</a></td>
        <td>61.3%</td>
        <td>中等</td>
        <td>1</td>
        <td>0.077</td>
    </tr>
    <tr>
        <td>450</td>
        <td>815</td>
        <td><a target="_blank" href="https://leetcode-cn.com/problems/bus-routes/">公交路线</a></td>
        <td>30.1%</td>
        <td>困难</td>
        <td>1</td>
        <td>0.519</td>
    </tr>
    <tr>
        <td>451</td>
        <td>60</td>
        <td><a target="_blank" href="https://leetcode-cn.com/problems/permutation-sequence/">第k个排列</a></td>
        <td>48.1%</td>
        <td>中等</td>
        <td>1</td>
        <td>0.069</td>
    </tr>
    <tr>
        <td>452</td>
        <td>99</td>
        <td><a target="_blank" href="https://leetcode-cn.com/problems/recover-binary-search-tree/">恢复二叉搜索树</a></td>
        <td>54.7%</td>
        <td>困难</td>
        <td>1</td>
        <td>0.136</td>
    </tr>
    <tr>
        <td>453</td>
        <td>134</td>
        <td><a target="_blank" href="https://leetcode-cn.com/problems/gas-station/">加油站</a></td>
        <td>50.8%</td>
        <td>中等</td>
        <td>1</td>
        <td>0.066</td>
    </tr>
    <tr>
        <td>454</td>
        <td>205</td>
        <td><a target="_blank" href="https://leetcode-cn.com/problems/isomorphic-strings/">同构字符串</a></td>
        <td>47.1%</td>
        <td>简单</td>
        <td>1</td>
        <td>0.061</td>
    </tr>
    <tr>
        <td>455</td>
        <td>224</td>
        <td><a target="_blank" href="https://leetcode-cn.com/problems/basic-calculator/">基本计算器</a></td>
        <td>36.8%</td>
        <td>困难</td>
        <td>1</td>
        <td>0.16</td>
    </tr>
    <tr>
        <td>456</td>
        <td>274</td>
        <td><a target="_blank" href="https://leetcode-cn.com/problems/h-index/">H指数</a></td>
        <td>37.6%</td>
        <td>中等</td>
        <td>1</td>
        <td>0.158</td>
    </tr>
    <tr>
        <td>457</td>
        <td>342</td>
        <td><a target="_blank" href="https://leetcode-cn.com/problems/power-of-four/">4的幂</a></td>
        <td>47.7%</td>
        <td>简单</td>
        <td>1</td>
        <td>0.089</td>
    </tr>
    <tr>
        <td>458</td>
        <td>364</td>
        <td><a target="_blank" href="https://leetcode-cn.com/problems/nested-list-weight-sum-ii/">加权嵌套序列和 II</a></td>
        <td>68.3%</td>
        <td>中等</td>
        <td>1</td>
        <td>0.863</td>
    </tr>
    <tr>
        <td>459</td>
        <td>386</td>
        <td><a target="_blank" href="https://leetcode-cn.com/problems/lexicographical-numbers/">字典序排数</a></td>
        <td>68.0%</td>
        <td>中等</td>
        <td>1</td>
        <td>0.22</td>
    </tr>
    <tr>
        <td>460</td>
        <td>390</td>
        <td><a target="_blank" href="https://leetcode-cn.com/problems/elimination-game/">消除游戏</a></td>
        <td>42.0%</td>
        <td>中等</td>
        <td>1</td>
        <td>0.428</td>
    </tr>
    <tr>
        <td>461</td>
        <td>406</td>
        <td><a target="_blank" href="https://leetcode-cn.com/problems/queue-reconstruction-by-height/">根据身高重建队列</a></td>
        <td>62.0%</td>
        <td>中等</td>
        <td>1</td>
        <td>0.081</td>
    </tr>
    <tr>
        <td>462</td>
        <td>409</td>
        <td><a target="_blank" href="https://leetcode-cn.com/problems/longest-palindrome/">最长回文串</a></td>
        <td>51.8%</td>
        <td>简单</td>
        <td>1</td>
        <td>0.096</td>
    </tr>
    <tr>
        <td>463</td>
        <td>438</td>
        <td><a target="_blank" href="https://leetcode-cn.com/problems/find-all-anagrams-in-a-string/">找到字符串中所有字母异位词</a>
        </td>
        <td>40.6%</td>
        <td>中等</td>
        <td>1</td>
        <td>0.09</td>
    </tr>
    <tr>
        <td>464</td>
        <td>465</td>
        <td><a target="_blank" href="https://leetcode-cn.com/problems/optimal-account-balancing/">最优账单平衡</a></td>
        <td>46.0%</td>
        <td>困难</td>
        <td>1</td>
        <td>1.417</td>
    </tr>
    <tr>
        <td>465</td>
        <td>476</td>
        <td><a target="_blank" href="https://leetcode-cn.com/problems/number-complement/">数字的补数</a></td>
        <td>67.9%</td>
        <td>简单</td>
        <td>1</td>
        <td>0.129</td>
    </tr>
    <tr>
        <td>466</td>
        <td>508</td>
        <td><a target="_blank" href="https://leetcode-cn.com/problems/most-frequent-subtree-sum/">出现次数最多的子树元素和</a></td>
        <td>61.6%</td>
        <td>中等</td>
        <td>1</td>
        <td>0.261</td>
    </tr>
    <tr>
        <td>467</td>
        <td>513</td>
        <td><a target="_blank" href="https://leetcode-cn.com/problems/find-bottom-left-tree-value/">找树左下角的值</a></td>
        <td>68.3%</td>
        <td>中等</td>
        <td>1</td>
        <td>0.139</td>
    </tr>
    <tr>
        <td>468</td>
        <td>529</td>
        <td><a target="_blank" href="https://leetcode-cn.com/problems/minesweeper/">扫雷游戏</a></td>
        <td>58.7%</td>
        <td>中等</td>
        <td>1</td>
        <td>0.328</td>
    </tr>
    <tr>
        <td>469</td>
        <td>542</td>
        <td><a target="_blank" href="https://leetcode-cn.com/problems/01-matrix/">01 矩阵</a></td>
        <td>37.8%</td>
        <td>中等</td>
        <td>1</td>
        <td>0.156</td>
    </tr>
    <tr>
        <td>470</td>
        <td>596</td>
        <td><a target="_blank" href="https://leetcode-cn.com/problems/classes-more-than-5-students/">超过5名学生的课</a></td>
        <td>39.5%</td>
        <td>简单</td>
        <td>1</td>
        <td>0.103</td>
    </tr>
    <tr>
        <td>471</td>
        <td>627</td>
        <td><a target="_blank" href="https://leetcode-cn.com/problems/swap-salary/">交换工资</a></td>
        <td>75.0%</td>
        <td>简单</td>
        <td>1</td>
        <td>0.106</td>
    </tr>
    <tr>
        <td>472</td>
        <td>635</td>
        <td><a target="_blank" href="https://leetcode-cn.com/problems/design-log-storage-system/">设计日志存储系统</a></td>
        <td>53.3%</td>
        <td>中等</td>
        <td>1</td>
        <td>1.073</td>
    </tr>
    <tr>
        <td>473</td>
        <td>645</td>
        <td><a target="_blank" href="https://leetcode-cn.com/problems/set-mismatch/">错误的集合</a></td>
        <td>40.6%</td>
        <td>简单</td>
        <td>1</td>
        <td>0.158</td>
    </tr>
    <tr>
        <td>474</td>
        <td>675</td>
        <td><a target="_blank" href="https://leetcode-cn.com/problems/cut-off-trees-for-golf-event/">为高尔夫比赛砍树</a></td>
        <td>33.3%</td>
        <td>困难</td>
        <td>1</td>
        <td>0.913</td>
    </tr>
    <tr>
        <td>475</td>
        <td>680</td>
        <td><a target="_blank" href="https://leetcode-cn.com/problems/valid-palindrome-ii/">验证回文字符串 Ⅱ</a></td>
        <td>35.0%</td>
        <td>简单</td>
        <td>1</td>
        <td>0.082</td>
    </tr>
    <tr>
        <td>476</td>
        <td>728</td>
        <td><a target="_blank" href="https://leetcode-cn.com/problems/self-dividing-numbers/">自除数</a></td>
        <td>72.4%</td>
        <td>简单</td>
        <td>1</td>
        <td>0.13</td>
    </tr>
    <tr>
        <td>477</td>
        <td>748</td>
        <td><a target="_blank" href="https://leetcode-cn.com/problems/shortest-completing-word/">最短完整词</a></td>
        <td>56.9%</td>
        <td>简单</td>
        <td>1</td>
        <td>0.32</td>
    </tr>
    <tr>
        <td>478</td>
        <td>756</td>
        <td><a target="_blank" href="https://leetcode-cn.com/problems/pyramid-transition-matrix/">金字塔转换矩阵</a></td>
        <td>53.2%</td>
        <td>中等</td>
        <td>1</td>
        <td>0.622</td>
    </tr>
    <tr>
        <td>479</td>
        <td>429</td>
        <td><a target="_blank" href="https://leetcode-cn.com/problems/n-ary-tree-level-order-traversal/">N叉树的层序遍历</a>
        </td>
        <td>64.4%</td>
        <td>中等</td>
        <td>1</td>
        <td>0.15</td>
    </tr>
    <tr>
        <td>480</td>
        <td>431</td>
        <td><a target="_blank" href="https://leetcode-cn.com/problems/encode-n-ary-tree-to-binary-tree/">将 N
            叉树编码为二叉树</a></td>
        <td>66.3%</td>
        <td>困难</td>
        <td>1</td>
        <td>1.52</td>
    </tr>
    <tr>
        <td>481</td>
        <td>766</td>
        <td><a target="_blank" href="https://leetcode-cn.com/problems/toeplitz-matrix/">托普利茨矩阵</a></td>
        <td>63.4%</td>
        <td>简单</td>
        <td>1</td>
        <td>0.16</td>
    </tr>
    <tr>
        <td>482</td>
        <td>770</td>
        <td><a target="_blank" href="https://leetcode-cn.com/problems/basic-calculator-iv/">基本计算器 IV</a></td>
        <td>49.3%</td>
        <td>困难</td>
        <td>1</td>
        <td>1.677</td>
    </tr>
    <tr>
        <td>483</td>
        <td>703</td>
        <td><a target="_blank" href="https://leetcode-cn.com/problems/kth-largest-element-in-a-stream/">数据流中的第K大元素</a>
        </td>
        <td>42.1%</td>
        <td>简单</td>
        <td>1</td>
        <td>0.109</td>
    </tr>
    <tr>
        <td>484</td>
        <td>791</td>
        <td><a target="_blank" href="https://leetcode-cn.com/problems/custom-sort-string/">自定义字符串排序</a></td>
        <td>65.2%</td>
        <td>中等</td>
        <td>1</td>
        <td>0.316</td>
    </tr>
    <tr>
        <td>485</td>
        <td>802</td>
        <td><a target="_blank" href="https://leetcode-cn.com/problems/find-eventual-safe-states/">找到最终的安全状态</a></td>
        <td>46.0%</td>
        <td>中等</td>
        <td>1</td>
        <td>0.506</td>
    </tr>
    <tr>
        <td>486</td>
        <td>808</td>
        <td><a target="_blank" href="https://leetcode-cn.com/problems/soup-servings/">分汤</a></td>
        <td>44.7%</td>
        <td>中等</td>
        <td>1</td>
        <td>0.725</td>
    </tr>
    <tr>
        <td>487</td>
        <td>708</td>
        <td><a target="_blank" href="https://leetcode-cn.com/problems/insert-into-a-sorted-circular-linked-list/">循环有序列表的插入</a>
        </td>
        <td>28.3%</td>
        <td>中等</td>
        <td>1</td>
        <td>1.06</td>
    </tr>
    <tr>
        <td>488</td>
        <td>824</td>
        <td><a target="_blank" href="https://leetcode-cn.com/problems/goat-latin/">山羊拉丁文</a></td>
        <td>58.7%</td>
        <td>简单</td>
        <td>1</td>
        <td>0.239</td>
    </tr>
    <tr>
        <td>489</td>
        <td>833</td>
        <td><a target="_blank" href="https://leetcode-cn.com/problems/find-and-replace-in-string/">字符串中的查找与替换</a></td>
        <td>37.3%</td>
        <td>中等</td>
        <td>1</td>
        <td>0.614</td>
    </tr>
    <tr>
        <td>490</td>
        <td>489</td>
        <td><a target="_blank" href="https://leetcode-cn.com/problems/robot-room-cleaner/">扫地机器人</a></td>
        <td>72.2%</td>
        <td>困难</td>
        <td>1</td>
        <td>1.025</td>
    </tr>
    <tr>
        <td>491</td>
        <td>842</td>
        <td><a target="_blank"
               href="https://leetcode-cn.com/problems/split-array-into-fibonacci-sequence/">将数组拆分成斐波那契序列</a></td>
        <td>35.9%</td>
        <td>中等</td>
        <td>1</td>
        <td>0.522</td>
    </tr>
    <tr>
        <td>492</td>
        <td>855</td>
        <td><a target="_blank" href="https://leetcode-cn.com/problems/exam-room/">考场就座</a></td>
        <td>30.8%</td>
        <td>中等</td>
        <td>1</td>
        <td>0.791</td>
    </tr>
    <tr>
        <td>493</td>
        <td>871</td>
        <td><a target="_blank" href="https://leetcode-cn.com/problems/minimum-number-of-refueling-stops/">最低加油次数</a>
        </td>
        <td>29.2%</td>
        <td>困难</td>
        <td>1</td>
        <td>0.548</td>
    </tr>
    <tr>
        <td>494</td>
        <td>470</td>
        <td><a target="_blank" href="https://leetcode-cn.com/problems/implement-rand10-using-rand7/">用 Rand7() 实现
            Rand10()</a></td>
        <td>44.9%</td>
        <td>中等</td>
        <td>1</td>
        <td>0.304</td>
    </tr>
    <tr>
        <td>495</td>
        <td>877</td>
        <td><a target="_blank" href="https://leetcode-cn.com/problems/stone-game/">石子游戏</a></td>
        <td>67.5%</td>
        <td>中等</td>
        <td>1</td>
        <td>0.193</td>
    </tr>
    <tr>
        <td>496</td>
        <td>497</td>
        <td><a target="_blank" href="https://leetcode-cn.com/problems/random-point-in-non-overlapping-rectangles/">非重叠矩形中的随机点</a>
        </td>
        <td>37.5%</td>
        <td>中等</td>
        <td>1</td>
        <td>0.896</td>
    </tr>
    <tr>
        <td>497</td>
        <td>887</td>
        <td><a target="_blank" href="https://leetcode-cn.com/problems/super-egg-drop/">鸡蛋掉落</a></td>
        <td>20.7%</td>
        <td>困难</td>
        <td>1</td>
        <td>0.21</td>
    </tr>
    <tr>
        <td>498</td>
        <td>897</td>
        <td><a target="_blank" href="https://leetcode-cn.com/problems/increasing-order-search-tree/">递增顺序查找树</a></td>
        <td>65.6%</td>
        <td>简单</td>
        <td>1</td>
        <td>0.18</td>
    </tr>
    <tr>
        <td>499</td>
        <td>898</td>
        <td><a target="_blank" href="https://leetcode-cn.com/problems/bitwise-ors-of-subarrays/">子数组按位或操作</a></td>
        <td>26.6%</td>
        <td>中等</td>
        <td>1</td>
        <td>0.638</td>
    </tr>
    <tr>
        <td>500</td>
        <td>900</td>
        <td><a target="_blank" href="https://leetcode-cn.com/problems/rle-iterator/">RLE 迭代器</a></td>
        <td>41.9%</td>
        <td>中等</td>
        <td>1</td>
        <td>0.759</td>
    </tr>
    </tbody>
</table>